diff --git a/src/RealTime/Config/ConfigurationProvider.cs b/src/RealTime/Config/ConfigurationProvider.cs
index 374fe534..b01ae258 100644
--- a/src/RealTime/Config/ConfigurationProvider.cs
+++ b/src/RealTime/Config/ConfigurationProvider.cs
@@ -7,80 +7,146 @@ namespace RealTime.Config
     using System;
     using System.IO;
     using System.Xml.Serialization;
+    using RealTime.Core;
     using RealTime.Tools;
 
     /// <summary>
     /// A static class that loads and stores the <see cref="RealTimeConfig"/> objects.
     /// An XML file 'RealTime.xml' in the default (game) directory is used as a storage.
     /// </summary>
-    internal static class ConfigurationProvider
+    internal sealed class ConfigurationProvider : IStorageData
     {
+        private const string StorageId = "RealTimeConfiguration";
         private static readonly string SettingsFileName = typeof(ConfigurationProvider).Assembly.GetName().Name + ".xml";
 
+        /// <summary>Occurs when the <see cref="Configuration"/> instance changes.</summary>
+        public event EventHandler Changed;
+
+        /// <summary>Gets the current configuration.</summary>
+        public RealTimeConfig Configuration { get; private set; }
+
+        /// <summary>Gets a value indicating whether the <see cref="Configuration"/> instance is a default configuration.</summary>
+        public bool IsDefault { get; private set; }
+
+        /// <summary>Gets an unique ID of this storage data set.</summary>
+        string IStorageData.StorageDataId => StorageId;
+
         /// <summary>
-        /// Loads the configuration object from the serialized storage. If no storage is available,
+        /// Loads the default configuration object from the serialized storage. If no storage is available,
         /// returns a new <see cref="RealTimeConfig"/> object with its values set to defaults.
         /// </summary>
-        ///
-        /// <returns>A <see cref="RealTimeConfig"/> object containing the configuration.</returns>
-        public static RealTimeConfig LoadConfiguration()
+        public void LoadDefaultConfiguration()
         {
             try
             {
-                if (!File.Exists(SettingsFileName))
+                if (File.Exists(SettingsFileName))
                 {
-                    return new RealTimeConfig(true);
+                    using (var stream = new FileStream(SettingsFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    {
+                        Configuration = Deserialize(stream);
+                    }
                 }
-
-                return Deserialize();
             }
             catch (Exception ex)
             {
-                Log.Warning($"The 'Real Time' mod has encountered an error while trying to load the configuration, error message: " + ex);
-                return new RealTimeConfig(true);
+                Log.Error("The 'Real Time' mod cannot load its default configuration, error message: " + ex);
             }
+
+            IsDefault = true;
+            if (Configuration == null)
+            {
+                Configuration = new RealTimeConfig(true);
+            }
+
+            OnChanged();
         }
 
         /// <summary>
-        /// Stores the specified <paramref name="config"/> object to the storage.
+        /// Stores the current configuration object to the storage as a default configuration.
         /// </summary>
-        ///
-        /// <exception cref="ArgumentNullException">Thrown when the argument is null.</exception>
-        ///
-        /// <param name="config">A <see cref="RealTimeConfig"/> object to store.</param>
-        public static void SaveConfiguration(RealTimeConfig config)
+        public void SaveDefaultConfiguration()
         {
-            if (config == null)
+            if (Configuration == null)
             {
-                throw new ArgumentNullException(nameof(config));
+                Configuration = new RealTimeConfig(true);
             }
 
             try
             {
-                Serialize(config);
+                using (var stream = new FileStream(SettingsFileName, FileMode.Create, FileAccess.Write, FileShare.ReadWrite))
+                {
+                    Serialize(Configuration, stream);
+                }
             }
             catch (Exception ex)
             {
-                Log.Error("The 'Real Time' mod cannot save its configuration, error message: " + ex);
+                Log.Error("The 'Real Time' mod cannot save its default configuration, error message: " + ex);
             }
         }
 
-        private static RealTimeConfig Deserialize()
+        /// <summary>Reads the data set from the specified <see cref="Stream" />.</summary>
+        /// <param name="source">A <see cref="Stream" /> to read the data set from.</param>
+        void IStorageData.ReadData(Stream source)
         {
-            var serializer = new XmlSerializer(typeof(RealTimeConfig));
-            using (var sr = new StreamReader(SettingsFileName))
+            Configuration = Deserialize(source);
+            if (Configuration == null)
+            {
+                LoadDefaultConfiguration();
+            }
+            else
             {
-                return ((RealTimeConfig)serializer.Deserialize(sr)).MigrateWhenNecessary().Validate();
+                OnChanged();
             }
+
+            IsDefault = false;
         }
 
-        private static void Serialize(RealTimeConfig config)
+        /// <summary>Stores the data set to the specified <see cref="Stream" />.</summary>
+        /// <param name="target">A <see cref="Stream" /> to write the data set to.</param>
+        void IStorageData.StoreData(Stream target)
         {
-            var serializer = new XmlSerializer(typeof(RealTimeConfig), SerializationTools.IgnoreObsoleteProperties(config));
-            using (var sw = new StreamWriter(SettingsFileName))
+            if (Configuration != null)
             {
-                serializer.Serialize(sw, config);
+                Serialize(Configuration, target);
             }
         }
+
+        private static RealTimeConfig Deserialize(Stream source)
+        {
+            try
+            {
+                var serializer = new XmlSerializer(typeof(RealTimeConfig));
+                using (var sr = new StreamReader(source))
+                {
+                    return ((RealTimeConfig)serializer.Deserialize(sr)).MigrateWhenNecessary().Validate();
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.Warning($"The 'Real Time' mod has encountered an error while trying to load the configuration, error message: " + ex);
+                return null;
+            }
+        }
+
+        private static void Serialize(RealTimeConfig config, Stream target)
+        {
+            try
+            {
+                var serializer = new XmlSerializer(typeof(RealTimeConfig), SerializationTools.IgnoreObsoleteProperties(config));
+                using (var sw = new StreamWriter(target))
+                {
+                    serializer.Serialize(sw, config);
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.Error("The 'Real Time' mod cannot save its configuration, error message: " + ex);
+            }
+        }
+
+        private void OnChanged()
+        {
+            Changed?.Invoke(this, EventArgs.Empty);
+        }
     }
 }
diff --git a/src/RealTime/Core/RealTimeCore.cs b/src/RealTime/Core/RealTimeCore.cs
index 83697432..77a4639d 100644
--- a/src/RealTime/Core/RealTimeCore.cs
+++ b/src/RealTime/Core/RealTimeCore.cs
@@ -45,20 +45,20 @@ private RealTimeCore(TimeAdjustment timeAdjustment, CustomTimeBar timeBar, RealT
         /// Runs the mod by activating its parts.
         /// </summary>
         ///
-        /// <exception cref="ArgumentNullException">Thrown when <paramref name="config"/> or <paramref name="localizationProvider"/> is null.</exception>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="configProvider"/> or <paramref name="localizationProvider"/> is null.</exception>
         /// <exception cref="ArgumentException">Thrown when <paramref name="rootPath"/> is null or an empty string.</exception>
         ///
-        /// <param name="config">The configuration to run with.</param>
+        /// <param name="configProvider">The configuration provider that provides the mod's configuration.</param>
         /// <param name="rootPath">The path to the mod's assembly. Additional files are stored here too.</param>
         /// <param name="localizationProvider">The <see cref="ILocalizationProvider"/> to use for text translation.</param>
         ///
         /// <returns>A <see cref="RealTimeCore"/> instance that can be used to stop the mod.</returns>
         [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Maintainability", "CA1506:AvoidExcessiveClassCoupling", Justification = "This is the entry point and needs to instantiate all parts")]
-        public static RealTimeCore Run(RealTimeConfig config, string rootPath, ILocalizationProvider localizationProvider)
+        public static RealTimeCore Run(ConfigurationProvider configProvider, string rootPath, ILocalizationProvider localizationProvider)
         {
-            if (config == null)
+            if (configProvider == null)
             {
-                throw new ArgumentNullException(nameof(config));
+                throw new ArgumentNullException(nameof(configProvider));
             }
 
             if (string.IsNullOrEmpty(rootPath))
@@ -96,7 +96,12 @@ public static RealTimeCore Run(RealTimeConfig config, string rootPath, ILocaliza
                 return null;
             }
 
-            var timeInfo = new TimeInfo(config);
+            if (RealTimeStorage.CurrentLevelStorage != null)
+            {
+                LoadStorageData(new[] { configProvider }, RealTimeStorage.CurrentLevelStorage);
+            }
+
+            var timeInfo = new TimeInfo(configProvider.Configuration);
             var buildingManager = new BuildingManagerConnection();
             var randomizer = new GameRandomizer();
 
@@ -112,21 +117,21 @@ public static RealTimeCore Run(RealTimeConfig config, string rootPath, ILocaliza
                 weatherInfo);
 
             var eventManager = new RealTimeEventManager(
-                config,
+                configProvider.Configuration,
                 CityEventsLoader.Instance,
                 new EventManagerConnection(),
                 buildingManager,
                 randomizer,
                 timeInfo);
 
-            if (!SetupCustomAI(timeInfo, config, gameConnections, eventManager))
+            if (!SetupCustomAI(timeInfo, configProvider.Configuration, gameConnections, eventManager))
             {
                 Log.Error("The 'Real Time' mod failed to setup the customized AI and will now be deactivated.");
                 patcher.Revert();
                 return null;
             }
 
-            var timeAdjustment = new TimeAdjustment(config);
+            var timeAdjustment = new TimeAdjustment(configProvider.Configuration);
             DateTime gameDate = timeAdjustment.Enable();
             SimulationHandler.CitizenProcessor.UpdateFrameDuration();
 
@@ -141,19 +146,24 @@ public static RealTimeCore Run(RealTimeConfig config, string rootPath, ILocaliza
             SimulationHandler.NewDay += result.CityEventsChanged;
 
             SimulationHandler.TimeAdjustment = timeAdjustment;
-            SimulationHandler.DayTimeSimulation = new DayTimeSimulation(config);
+            SimulationHandler.DayTimeSimulation = new DayTimeSimulation(configProvider.Configuration);
             SimulationHandler.EventManager = eventManager;
             SimulationHandler.WeatherInfo = weatherInfo;
             SimulationHandler.Buildings = BuildingAIPatches.RealTimeAI;
             SimulationHandler.Buildings.UpdateFrameDuration();
             SimulationHandler.Buildings.InitializeLightState();
 
-            AwakeSleepSimulation.Install(config);
+            AwakeSleepSimulation.Install(configProvider.Configuration);
 
             RealTimeStorage.CurrentLevelStorage.GameSaving += result.GameSaving;
             result.storageData.Add(eventManager);
             result.storageData.Add(ResidentAIPatch.RealTimeAI.GetStorageService());
-            result.LoadStorageData(RealTimeStorage.CurrentLevelStorage);
+            if (RealTimeStorage.CurrentLevelStorage != null)
+            {
+                LoadStorageData(result.storageData, RealTimeStorage.CurrentLevelStorage);
+            }
+
+            result.storageData.Add(configProvider);
 
             result.Translate(localizationProvider);
 
@@ -278,19 +288,18 @@ private static void CustomTimeBarCityEventClick(object sender, CustomTimeBarClic
             CameraHelper.NavigateToBuilding(e.CityEventBuildingId);
         }
 
-        private void CityEventsChanged(object sender, EventArgs e)
-        {
-            timeBar.UpdateEventsDisplay(eventManager.CityEvents);
-        }
-
-        private void LoadStorageData(RealTimeStorage storage)
+        private static void LoadStorageData(IEnumerable<IStorageData> storageData, RealTimeStorage storage)
         {
             foreach (IStorageData item in storageData)
             {
                 storage.Deserialize(item);
+                Log.Debug("The 'Real Time' mod loaded its data from container " + item.StorageDataId);
             }
+        }
 
-            Log.Info("The 'Real Time' mod successfully loaded its data for the current game.");
+        private void CityEventsChanged(object sender, EventArgs e)
+        {
+            timeBar.UpdateEventsDisplay(eventManager.CityEvents);
         }
 
         private void GameSaving(object sender, EventArgs e)
@@ -299,9 +308,8 @@ private void GameSaving(object sender, EventArgs e)
             foreach (IStorageData item in storageData)
             {
                 storage.Serialize(item);
+                Log.Debug("The 'Real Time' mod stored its data in the current game for container " + item.StorageDataId);
             }
-
-            Log.Info("The 'Real Time' mod successfully stored its data in the current game.");
         }
     }
 }
diff --git a/src/RealTime/Core/RealTimeMod.cs b/src/RealTime/Core/RealTimeMod.cs
index 467e862c..642d2c0c 100644
--- a/src/RealTime/Core/RealTimeMod.cs
+++ b/src/RealTime/Core/RealTimeMod.cs
@@ -25,7 +25,7 @@ public sealed class RealTimeMod : LoadingExtensionBase, IUserMod
         private readonly string modVersion = GitVersion.GetAssemblyVersion(typeof(RealTimeMod).Assembly);
         private readonly string modPath = GetModPath();
 
-        private RealTimeConfig config;
+        private ConfigurationProvider configProvider;
         private RealTimeCore core;
         private ConfigUI configUI;
         private LocalizationProvider localizationProvider;
@@ -46,7 +46,8 @@ public sealed class RealTimeMod : LoadingExtensionBase, IUserMod
         public void OnEnabled()
         {
             Log.Info("The 'Real Time' mod has been enabled, version: " + modVersion);
-            config = ConfigurationProvider.LoadConfiguration();
+            configProvider = new ConfigurationProvider();
+            configProvider.LoadDefaultConfiguration();
             localizationProvider = new LocalizationProvider(modPath);
         }
 
@@ -57,9 +58,13 @@ public void OnEnabled()
         public void OnDisabled()
         {
             Log.Info("The 'Real Time' mod has been disabled.");
-            ConfigurationProvider.SaveConfiguration(config);
-            config = null;
-            configUI = null;
+
+            CloseConfigUI();
+
+            if (configProvider != null && configProvider.IsDefault)
+            {
+                configProvider.SaveDefaultConfiguration();
+            }
         }
 
         /// <summary>
@@ -71,19 +76,20 @@ public void OnDisabled()
         [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1822:MarkMembersAsStatic", Justification = "Must be instance method due to C:S API")]
         public void OnSettingsUI(UIHelperBase helper)
         {
-            if (helper == null)
+            if (helper == null || configProvider == null)
             {
                 return;
             }
 
-            if (config == null)
+            if (configProvider.Configuration == null)
             {
                 Log.Warning("The 'Real Time' mod wants to display the configuration page, but the configuration is unexpectedly missing.");
-                config = ConfigurationProvider.LoadConfiguration();
+                configProvider.LoadDefaultConfiguration();
             }
 
             IViewItemFactory itemFactory = new CitiesViewItemFactory(helper);
-            configUI = ConfigUI.Create(config, itemFactory);
+            CloseConfigUI();
+            configUI = ConfigUI.Create(configProvider, itemFactory);
             ApplyLanguage();
         }
 
@@ -113,7 +119,7 @@ public override void OnLevelLoaded(LoadMode mode)
                 core.Stop();
             }
 
-            core = RealTimeCore.Run(config, modPath, localizationProvider);
+            core = RealTimeCore.Run(configProvider, modPath, localizationProvider);
             if (core == null)
             {
                 Log.Warning("Showing a warning message to user because the mod isn't working");
@@ -136,7 +142,8 @@ public override void OnLevelUnloading()
                 core = null;
             }
 
-            ConfigurationProvider.SaveConfiguration(config);
+            configProvider.LoadDefaultConfiguration();
+            CloseConfigUI();
         }
 
         private static string GetModPath()
@@ -165,5 +172,14 @@ private void ApplyLanguage()
 
             configUI?.Translate(localizationProvider);
         }
+
+        private void CloseConfigUI()
+        {
+            if (configUI != null)
+            {
+                configUI.Close();
+                configUI = null;
+            }
+        }
     }
 }
diff --git a/src/RealTime/Localization/Translations/de.xml b/src/RealTime/Localization/Translations/de.xml
index d3985ab9..1801075b 100644
--- a/src/RealTime/Localization/Translations/de.xml
+++ b/src/RealTime/Localization/Translations/de.xml
@@ -6,6 +6,7 @@
 
   <translation id="Tools" value="Tools" />
   <translation id="ResetToDefaults" value="Alle Optionen zurücksetzen" />
+  <translation id="UseForNewGames" value="Aktuelle Einstellungen für neue Spiele verwenden" />
 
   <translation id="1General" value="Allgemein" />
   <translation id="0Time" value="Zeitoptionen" />
diff --git a/src/RealTime/Localization/Translations/en.xml b/src/RealTime/Localization/Translations/en.xml
index 5bc38002..bf6c4127 100644
--- a/src/RealTime/Localization/Translations/en.xml
+++ b/src/RealTime/Localization/Translations/en.xml
@@ -6,6 +6,7 @@
 
   <translation id="Tools" value="Tools" />
   <translation id="ResetToDefaults" value="Reset all to defaults" />
+  <translation id="UseForNewGames" value="Use current values for new games" />
 
   <translation id="1General" value="General" />
   <translation id="0Time" value="Time options" />
diff --git a/src/RealTime/Localization/Translations/es.xml b/src/RealTime/Localization/Translations/es.xml
index dad548c1..cece0a9e 100644
--- a/src/RealTime/Localization/Translations/es.xml
+++ b/src/RealTime/Localization/Translations/es.xml
@@ -6,6 +6,7 @@
 
   <translation id="Tools" value="Herramientas" />
   <translation id="ResetToDefaults" value="Restablecer todo por defecto" />
+  <translation id="UseForNewGames" value="Use current values for new games" />
 
   <translation id="1General" value="General" />
   <translation id="0Time" value="Opciones del Tiempo" />
diff --git a/src/RealTime/Localization/Translations/fr.xml b/src/RealTime/Localization/Translations/fr.xml
index 1863d84a..a1313571 100644
--- a/src/RealTime/Localization/Translations/fr.xml
+++ b/src/RealTime/Localization/Translations/fr.xml
@@ -6,6 +6,7 @@
 
   <translation id="Tools" value="Outils" />
   <translation id="ResetToDefaults" value="Tout réinitialiser aux valeurs par défaut" />
+  <translation id="UseForNewGames" value="Use current values for new games" />
 
   <translation id="1General" value="Général" />
   <translation id="0Time" value="Options de Time" />
diff --git a/src/RealTime/Localization/Translations/ko.xml b/src/RealTime/Localization/Translations/ko.xml
index 3a28fbd4..507eca96 100644
--- a/src/RealTime/Localization/Translations/ko.xml
+++ b/src/RealTime/Localization/Translations/ko.xml
@@ -6,6 +6,7 @@
 
   <translation id="Tools" value="도구" />
   <translation id="ResetToDefaults" value="모두 초기값으로 되돌리기" />
+  <translation id="UseForNewGames" value="Use current values for new games" />
 
   <translation id="1General" value="일반" />
   <translation id="0Time" value="시간 옵션" />
diff --git a/src/RealTime/Localization/Translations/pl.xml b/src/RealTime/Localization/Translations/pl.xml
index 55ad00ea..c9d10307 100644
--- a/src/RealTime/Localization/Translations/pl.xml
+++ b/src/RealTime/Localization/Translations/pl.xml
@@ -6,6 +6,7 @@
 
   <translation id="Tools" value="Tools" />
   <translation id="ResetToDefaults" value="Reset all to defaults" />
+  <translation id="UseForNewGames" value="Use current values for new games" />
 
   <translation id="1General" value="General" />
   <translation id="0Time" value="Time options" />
diff --git a/src/RealTime/Localization/Translations/pt.xml b/src/RealTime/Localization/Translations/pt.xml
index c2021afd..289a7588 100644
--- a/src/RealTime/Localization/Translations/pt.xml
+++ b/src/RealTime/Localization/Translations/pt.xml
@@ -6,6 +6,7 @@
 
   <translation id="Tools" value="Ferramentas" />
   <translation id="ResetToDefaults" value="Reiniciar para os padrões" />
+  <translation id="UseForNewGames" value="Use current values for new games" />
 
   <translation id="1General" value="Geral" />
   <translation id="0Time" value="Opções de tempo" />
diff --git a/src/RealTime/Localization/Translations/ru.xml b/src/RealTime/Localization/Translations/ru.xml
index 3e8d97f2..d0493386 100644
--- a/src/RealTime/Localization/Translations/ru.xml
+++ b/src/RealTime/Localization/Translations/ru.xml
@@ -6,6 +6,7 @@
 
   <translation id="Tools" value="Утилиты" />
   <translation id="ResetToDefaults" value="Вернуть опции по умолчанию" />
+  <translation id="UseForNewGames" value="Использовать текущие настройки для новых игр" />
 
   <translation id="1General" value="Основные" />
   <translation id="0Time" value="Настройки времени" />
diff --git a/src/RealTime/Localization/Translations/zh.xml b/src/RealTime/Localization/Translations/zh.xml
index 51242026..30265ba6 100644
--- a/src/RealTime/Localization/Translations/zh.xml
+++ b/src/RealTime/Localization/Translations/zh.xml
@@ -6,6 +6,7 @@
 
   <translation id="Tools" value="工具" />
   <translation id="ResetToDefaults" value="重设至默认" />
+  <translation id="UseForNewGames" value="Use current values for new games" />
 
   <translation id="1General" value="通用设置" />
   <translation id="0Time" value="时间选项" />
diff --git a/src/RealTime/UI/CitiesCheckBoxItem.cs b/src/RealTime/UI/CitiesCheckBoxItem.cs
index 55a22270..2197a5a6 100644
--- a/src/RealTime/UI/CitiesCheckBoxItem.cs
+++ b/src/RealTime/UI/CitiesCheckBoxItem.cs
@@ -4,6 +4,7 @@
 
 namespace RealTime.UI
 {
+    using System;
     using System.Reflection;
     using ColossalFramework.UI;
     using ICities;
@@ -18,13 +19,13 @@ internal sealed class CitiesCheckBoxItem : CitiesViewItem<UICheckBox, bool>
         /// <param name="property">
         /// The property description that specifies the target property where to store the value.
         /// </param>
-        /// <param name="config">The configuration storage object for the value.</param>
+        /// <param name="configProvider">A method that provides the configuration storage object for the value.</param>
         /// <exception cref="System.ArgumentNullException">Thrown when any argument is null.</exception>
         /// <exception cref="System.ArgumentException">
         /// thrown when the <paramref name="id"/> is an empty string.
         /// </exception>
-        public CitiesCheckBoxItem(UIHelperBase uiHelper, string id, PropertyInfo property, object config)
-            : base(uiHelper, id, property, config)
+        public CitiesCheckBoxItem(UIHelperBase uiHelper, string id, PropertyInfo property, Func<object> configProvider)
+            : base(uiHelper, id, property, configProvider)
         {
         }
 
diff --git a/src/RealTime/UI/CitiesComboBoxItem.cs b/src/RealTime/UI/CitiesComboBoxItem.cs
index d9f8777d..6de2a70b 100644
--- a/src/RealTime/UI/CitiesComboBoxItem.cs
+++ b/src/RealTime/UI/CitiesComboBoxItem.cs
@@ -25,14 +25,14 @@ internal sealed class CitiesComboBoxItem : CitiesViewItem<UIDropDown, int>
         /// <param name="property">
         /// The property description that specifies the target property where to store the value.
         /// </param>
-        /// <param name="config">The configuration storage object for the value.</param>
+        /// <param name="configProvider">A method that provides the configuration storage object for the value.</param>
         /// <param name="itemIds">An ordered collection of the combo box item IDs.</param>
         /// <exception cref="ArgumentNullException">Thrown when any argument is null.</exception>
         /// <exception cref="ArgumentException">
         /// thrown when the <paramref name="id"/> is an empty string.
         /// </exception>
-        public CitiesComboBoxItem(UIHelperBase uiHelper, string id, PropertyInfo property, object config, IEnumerable<string> itemIds)
-            : base(uiHelper, id, property, config)
+        public CitiesComboBoxItem(UIHelperBase uiHelper, string id, PropertyInfo property, Func<object> configProvider, IEnumerable<string> itemIds)
+            : base(uiHelper, id, property, configProvider)
         {
             this.itemIds = itemIds ?? throw new ArgumentNullException(nameof(itemIds));
 
diff --git a/src/RealTime/UI/CitiesSliderItem.cs b/src/RealTime/UI/CitiesSliderItem.cs
index 6de687aa..afeb4458 100644
--- a/src/RealTime/UI/CitiesSliderItem.cs
+++ b/src/RealTime/UI/CitiesSliderItem.cs
@@ -28,7 +28,7 @@ internal sealed class CitiesSliderItem : CitiesViewItem<UISlider, float>
         /// <param name="property">
         /// The property description that specifies the target property where to store the value.
         /// </param>
-        /// <param name="config">The configuration storage object for the value.</param>
+        /// <param name="configProvider">A method that provides the configuration storage object for the value.</param>
         /// <param name="min">The minimum slider value.</param>
         /// <param name="max">The maximum slider value.</param>
         /// <param name="step">The slider step value. Default is 1.</param>
@@ -42,13 +42,13 @@ public CitiesSliderItem(
             UIHelperBase uiHelper,
             string id,
             PropertyInfo property,
-            object config,
+            Func<object> configProvider,
             float min,
             float max,
             float step,
             SliderValueType valueType,
             float displayMultiplier)
-            : base(uiHelper, id, property, config)
+            : base(uiHelper, id, property, configProvider)
         {
             UIComponent.minValue = min;
             UIComponent.maxValue = max;
@@ -69,6 +69,8 @@ public CitiesSliderItem(
                 valueLabel.name = id + LabelName;
                 UpdateValueLabel(Value);
             }
+
+            Refresh();
         }
 
         /// <summary>Translates this view item using the specified localization provider.</summary>
diff --git a/src/RealTime/UI/CitiesViewItem.cs b/src/RealTime/UI/CitiesViewItem.cs
index 9916b406..c395e521 100644
--- a/src/RealTime/UI/CitiesViewItem.cs
+++ b/src/RealTime/UI/CitiesViewItem.cs
@@ -18,7 +18,7 @@ internal abstract class CitiesViewItem<TItem, TValue> : IViewItem, IValueViewIte
         where TItem : UIComponent
     {
         private readonly PropertyInfo property;
-        private readonly object config;
+        private readonly Func<object> configProvider;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="CitiesViewItem{TItem, TValue}"/> class.
@@ -28,13 +28,13 @@ internal abstract class CitiesViewItem<TItem, TValue> : IViewItem, IValueViewIte
         /// <param name="property">
         /// The property description that specifies the target property where to store the value.
         /// </param>
-        /// <param name="config">The configuration storage object for the value.</param>
+        /// <param name="configProvider">A method that provides the configuration storage object for the value.</param>
         /// <exception cref="ArgumentNullException">Thrown when any argument is null.</exception>
         /// <exception cref="ArgumentException">
         /// thrown when the <paramref name="id"/> is an empty string.
         /// </exception>
         [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors", Justification = "Pure methods invoked")]
-        protected CitiesViewItem(UIHelperBase uiHelper, string id, PropertyInfo property, object config)
+        protected CitiesViewItem(UIHelperBase uiHelper, string id, PropertyInfo property, Func<object> configProvider)
         {
             if (uiHelper == null)
             {
@@ -42,7 +42,7 @@ protected CitiesViewItem(UIHelperBase uiHelper, string id, PropertyInfo property
             }
 
             this.property = property ?? throw new ArgumentNullException(nameof(property));
-            this.config = config ?? throw new ArgumentNullException(nameof(config));
+            this.configProvider = configProvider ?? throw new ArgumentNullException(nameof(configProvider));
 
             if (id == null)
             {
@@ -64,13 +64,13 @@ protected CitiesViewItem(UIHelperBase uiHelper, string id, PropertyInfo property
         /// <summary>Gets current configuration item value.</summary>
         protected TValue Value
         {
-            get => (TValue)Convert.ChangeType(property.GetValue(config, null), typeof(TValue));
+            get => (TValue)Convert.ChangeType(property.GetValue(configProvider(), null), typeof(TValue));
             private set
             {
                 object newValue = property.PropertyType.IsEnum
                     ? Enum.ToObject(property.PropertyType, value)
                     : Convert.ChangeType(value, property.PropertyType);
-                property.SetValue(config, newValue, null);
+                property.SetValue(configProvider(), newValue, null);
             }
         }
 
diff --git a/src/RealTime/UI/CitiesViewItemFactory.cs b/src/RealTime/UI/CitiesViewItemFactory.cs
index 24e443ef..ea261ff6 100644
--- a/src/RealTime/UI/CitiesViewItemFactory.cs
+++ b/src/RealTime/UI/CitiesViewItemFactory.cs
@@ -101,20 +101,20 @@ public IViewItem CreateButton(IContainerViewItem container, string id, Action cl
         /// <param name="container">The parent container for the created item.</param>
         /// <param name="id">The ID of the item to create.</param>
         /// <param name="property">The property description that specifies the target property where to store the value.</param>
-        /// <param name="config">The configuration storage object for the value.</param>
+        /// <param name="configProvider">A method that provides the configuration storage object for the value.</param>
         /// <returns>A newly created <see cref="IViewItem"/> instance representing a check box.</returns>
         /// <exception cref="ArgumentNullException">Thrown when any argument is null.</exception>
         /// <exception cref="ArgumentException">Thrown when <paramref name="id"/> is an empty string.</exception>
-        public IViewItem CreateCheckBox(IContainerViewItem container, string id, PropertyInfo property, object config)
+        public IViewItem CreateCheckBox(IContainerViewItem container, string id, PropertyInfo property, Func<object> configProvider)
         {
-            return new CitiesCheckBoxItem(container.Container, id, property, config);
+            return new CitiesCheckBoxItem(container.Container, id, property, configProvider);
         }
 
         /// <summary>Creates a new slider view item.</summary>
         /// <param name="container">The parent container for the created item.</param>
         /// <param name="id">The ID of the item to create.</param>
         /// <param name="property">The property description that specifies the target property where to store the value.</param>
-        /// <param name="config">The configuration storage object for the value.</param>
+        /// <param name="configProvider">A method that provides the configuration storage object for the value.</param>
         /// <param name="min">The minimum slider value.</param>
         /// <param name="max">The maximum slider value.</param>
         /// <param name="step">The slider step value.</param>
@@ -133,21 +133,21 @@ public IViewItem CreateSlider(
             IContainerViewItem container,
             string id,
             PropertyInfo property,
-            object config,
+            Func<object> configProvider,
             float min,
             float max,
             float step,
             SliderValueType valueType,
             float displayMultiplier)
         {
-            return new CitiesSliderItem(container.Container, id, property, config, min, max, step, valueType, displayMultiplier);
+            return new CitiesSliderItem(container.Container, id, property, configProvider, min, max, step, valueType, displayMultiplier);
         }
 
         /// <summary>Creates a new combo box view item.</summary>
         /// <param name="container">The parent container for the created item.</param>
         /// <param name="id">The ID of the item to create.</param>
         /// <param name="property">The property description that specifies the target property where to store the value.</param>
-        /// <param name="config">The configuration storage object for the value.</param>
+        /// <param name="configProvider">A method that provides the configuration storage object for the value.</param>
         /// <param name="itemIds">A collection of the item IDs for the combo box values.</param>
         /// <returns>A newly created <see cref="IViewItem"/> instance representing a combo box.</returns>
         /// <exception cref="ArgumentNullException">Thrown when any argument is null.</exception>
@@ -156,10 +156,10 @@ public IViewItem CreateComboBox(
             IContainerViewItem container,
             string id,
             PropertyInfo property,
-            object config,
+            Func<object> configProvider,
             IEnumerable<string> itemIds)
         {
-            return new CitiesComboBoxItem(container.Container, id, property, config, itemIds);
+            return new CitiesComboBoxItem(container.Container, id, property, configProvider, itemIds);
         }
     }
 }
\ No newline at end of file
diff --git a/src/RealTime/UI/ConfigUI.cs b/src/RealTime/UI/ConfigUI.cs
index 47521883..24a2ac2c 100644
--- a/src/RealTime/UI/ConfigUI.cs
+++ b/src/RealTime/UI/ConfigUI.cs
@@ -15,29 +15,33 @@ namespace RealTime.UI
     internal sealed class ConfigUI
     {
         private const string ResetToDefaultsId = "ResetToDefaults";
+        private const string UseForNewGamesId = "UseForNewGames";
         private const string ToolsId = "Tools";
 
-        private readonly RealTimeConfig config;
+        private readonly ConfigurationProvider configProvider;
         private readonly IEnumerable<IViewItem> viewItems;
 
-        private ConfigUI(RealTimeConfig config, IEnumerable<IViewItem> viewItems)
+        private ConfigUI(ConfigurationProvider configProvider, IEnumerable<IViewItem> viewItems)
         {
-            this.config = config;
+            this.configProvider = configProvider;
             this.viewItems = viewItems;
+            this.configProvider.Changed += ConfigProviderChanged;
         }
 
         /// <summary>
         /// Creates the mod's configuration page using the specified object as data source.
         /// </summary>
-        /// <param name="config">The configuration object to use as data source.</param>
+        /// <param name="configProvider">The mod's configuration provider.</param>
         /// <param name="itemFactory">The view item factory to use for creating the UI elements.</param>
         /// <returns>A configured instance of the <see cref="ConfigUI"/> class.</returns>
         /// <exception cref="ArgumentNullException">Thrown when any argument is null.</exception>
-        public static ConfigUI Create(RealTimeConfig config, IViewItemFactory itemFactory)
+        /// <exception cref="InvalidOperationException">Thrown when the specified <see cref="ConfigurationProvider"/>
+        /// is not initialized yet.</exception>
+        public static ConfigUI Create(ConfigurationProvider configProvider, IViewItemFactory itemFactory)
         {
-            if (config == null)
+            if (configProvider == null)
             {
-                throw new ArgumentNullException(nameof(config));
+                throw new ArgumentNullException(nameof(configProvider));
             }
 
             if (itemFactory == null)
@@ -45,7 +49,12 @@ public static ConfigUI Create(RealTimeConfig config, IViewItemFactory itemFactor
                 throw new ArgumentNullException(nameof(itemFactory));
             }
 
-            var properties = config.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance)
+            if (configProvider.Configuration == null)
+            {
+                throw new InvalidOperationException("The configuration provider has no configuration yet");
+            }
+
+            var properties = configProvider.Configuration.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance)
                 .Select(p => new { Property = p, Attribute = GetCustomItemAttribute<ConfigItemAttribute>(p) })
                 .Where(v => v.Attribute != null);
 
@@ -71,7 +80,7 @@ public static ConfigUI Create(RealTimeConfig config, IViewItemFactory itemFactor
 
                     foreach (var item in group.OrderBy(i => i.Attribute.Order))
                     {
-                        IViewItem viewItem = CreateViewItem(containerItem, item.Property, config, itemFactory);
+                        IViewItem viewItem = CreateViewItem(containerItem, item.Property, configProvider, itemFactory);
                         if (viewItem != null)
                         {
                             viewItems.Add(viewItem);
@@ -80,16 +89,25 @@ public static ConfigUI Create(RealTimeConfig config, IViewItemFactory itemFactor
                 }
             }
 
-            var result = new ConfigUI(config, viewItems);
+            var result = new ConfigUI(configProvider, viewItems);
 
             IContainerViewItem toolsTab = itemFactory.CreateTabItem(ToolsId);
             viewItems.Add(toolsTab);
+
             IViewItem resetButton = itemFactory.CreateButton(toolsTab, ResetToDefaultsId, result.ResetToDefaults);
             viewItems.Add(resetButton);
+            IViewItem newGameConfigButton = itemFactory.CreateButton(toolsTab, UseForNewGamesId, result.UseForNewGames);
+            viewItems.Add(newGameConfigButton);
 
             return result;
         }
 
+        /// <summary>Closes this instance.</summary>
+        public void Close()
+        {
+            configProvider.Changed -= ConfigProviderChanged;
+        }
+
         /// <summary>Translates the UI using the specified localization provider.</summary>
         /// <param name="localizationProvider">The localization provider to use for translation.</param>
         public void Translate(ILocalizationProvider localizationProvider)
@@ -100,8 +118,14 @@ public void Translate(ILocalizationProvider localizationProvider)
             }
         }
 
-        private static IViewItem CreateViewItem(IContainerViewItem container, PropertyInfo property, object config, IViewItemFactory itemFactory)
+        private static IViewItem CreateViewItem(
+            IContainerViewItem container,
+            PropertyInfo property,
+            ConfigurationProvider configProvider,
+            IViewItemFactory itemFactory)
         {
+            object config() => configProvider.Configuration;
+
             switch (GetCustomItemAttribute<ConfigItemUIBaseAttribute>(property))
             {
                 case ConfigItemSliderAttribute slider when property.PropertyType.IsPrimitive:
@@ -141,7 +165,22 @@ private static T GetCustomItemAttribute<T>(PropertyInfo property, bool inherit =
 
         private void ResetToDefaults()
         {
-            config.ResetToDefaults();
+            configProvider.Configuration.ResetToDefaults();
+            RefreshAllItems();
+        }
+
+        private void UseForNewGames()
+        {
+            configProvider.SaveDefaultConfiguration();
+        }
+
+        private void ConfigProviderChanged(object sender, EventArgs e)
+        {
+            RefreshAllItems();
+        }
+
+        private void RefreshAllItems()
+        {
             foreach (IValueViewItem item in viewItems.OfType<IValueViewItem>())
             {
                 item.Refresh();
diff --git a/src/RealTime/UI/IViewItemFactory.cs b/src/RealTime/UI/IViewItemFactory.cs
index 82b365bb..49d1a3a8 100644
--- a/src/RealTime/UI/IViewItemFactory.cs
+++ b/src/RealTime/UI/IViewItemFactory.cs
@@ -36,17 +36,17 @@ internal interface IViewItemFactory
         /// <param name="container">The parent container for the created item.</param>
         /// <param name="id">The ID of the item to create.</param>
         /// <param name="property">The property description that specifies the target property where to store the value.</param>
-        /// <param name="config">The configuration storage object for the value.</param>
+        /// <param name="configProvider">A method that provides the configuration storage object for the value.</param>
         /// <returns>A newly created <see cref="IViewItem"/> instance representing a check box.</returns>
         /// <exception cref="ArgumentNullException">Thrown when any argument is null.</exception>
         /// <exception cref="ArgumentException">Thrown when <paramref name="id"/> is an empty string.</exception>
-        IViewItem CreateCheckBox(IContainerViewItem container, string id, PropertyInfo property, object config);
+        IViewItem CreateCheckBox(IContainerViewItem container, string id, PropertyInfo property, Func<object> configProvider);
 
         /// <summary>Creates a new slider view item.</summary>
         /// <param name="container">The parent container for the created item.</param>
         /// <param name="id">The ID of the item to create.</param>
         /// <param name="property">The property description that specifies the target property where to store the value.</param>
-        /// <param name="config">The configuration storage object for the value.</param>
+        /// <param name="configProvider">A method that provides the configuration storage object for the value.</param>
         /// <param name="min">The minimum slider value.</param>
         /// <param name="max">The maximum slider value.</param>
         /// <param name="step">The slider step value.</param>
@@ -65,7 +65,7 @@ IViewItem CreateSlider(
             IContainerViewItem container,
             string id,
             PropertyInfo property,
-            object config,
+            Func<object> configProvider,
             float min,
             float max,
             float step,
@@ -76,7 +76,7 @@ IViewItem CreateSlider(
         /// <param name="container">The parent container for the created item.</param>
         /// <param name="id">The ID of the item to create.</param>
         /// <param name="property">The property description that specifies the target property where to store the value.</param>
-        /// <param name="config">The configuration storage object for the value.</param>
+        /// <param name="configProvider">A method that provides the configuration storage object for the value.</param>
         /// <param name="itemIds">A collection of the item IDs for the combo box values.</param>
         /// <returns>A newly created <see cref="IViewItem"/> instance representing a combo box.</returns>
         /// <exception cref="ArgumentNullException">Thrown when any argument is null.</exception>
@@ -85,7 +85,7 @@ IViewItem CreateComboBox(
             IContainerViewItem container,
             string id,
             PropertyInfo property,
-            object config,
+            Func<object> configProvider,
             IEnumerable<string> itemIds);
     }
 }
\ No newline at end of file