diff --git a/src/poc/src/main.cpp b/src/poc/src/main.cpp
index 4afe56a9..f8dc7b33 100644
--- a/src/poc/src/main.cpp
+++ b/src/poc/src/main.cpp
@@ -1,5 +1,8 @@
 #include <iostream>
-#include "Registry.hpp"
+#include <unistd.h>
+#include "SystemManager.hpp"
+#include "Collison.hpp"
+#include "Movement.hpp"
 
 int main()
 {
@@ -17,6 +20,14 @@ int main()
         std::cout << *begin << std::endl;
     }
 
+    System::SystemManager manager;
 
+    manager.addSystem(std::make_unique<System::Collison>(registry));
+    manager.addSystem(std::make_unique<System::Movement>(registry));
+
+    while (1) {
+        manager.updateSystems();
+        sleep(1);
+    }
     return 0;
 }
diff --git a/src/poc/src/system/ASystem.cpp b/src/poc/src/system/ASystem.cpp
index 2a6506b0..efed5863 100644
--- a/src/poc/src/system/ASystem.cpp
+++ b/src/poc/src/system/ASystem.cpp
@@ -12,7 +12,7 @@
 
 namespace System {
     
-    ASystem::ASystem(const Registry &registry)
+    ASystem::ASystem(Registry *registry)
         : _registry(registry)
     {
 
diff --git a/src/poc/src/system/ASystem.hpp b/src/poc/src/system/ASystem.hpp
index 9d168333..ed0129ca 100644
--- a/src/poc/src/system/ASystem.hpp
+++ b/src/poc/src/system/ASystem.hpp
@@ -16,14 +16,14 @@
 namespace System {
     class ASystem : public ISystem {
         public:
-            ASystem(const Registry &registry);
+            ASystem(Registry *registry);
             ~ASystem() = default;
             
         protected:
+            Registry *_registry;
         private:
             void clientRun() final;
 
-            Registry _registry;
 
     };
 }
diff --git a/src/poc/src/system/Collison.cpp b/src/poc/src/system/Collison.cpp
index 6b6b7dd1..acb1b1d2 100644
--- a/src/poc/src/system/Collison.cpp
+++ b/src/poc/src/system/Collison.cpp
@@ -13,7 +13,7 @@
 
 namespace System {
     
-    Collison::Collison(const Registry &registry)
+    Collison::Collison(Registry *registry)
         : ASystem(registry)
     {
 
@@ -21,21 +21,12 @@ namespace System {
 
     void Collison::run()
     {
-        std::cout << "Update Collision" << std::endl;
-        // get Position sparseArray with Position component type index
-        //h
-        // get Dammage sparseArray with Dammage component type index
-        // get Health sparse Array with Health component type index
+        std::cout << "Increment sparse array int of 1" << std::endl;
+        Registry::array<int> arrInt = _registry->getComponents<int>();
 
-        // if (sparseArray.size() == 0) {
-        //      return ()
-        // }
-        // for (std::size_t i = 0, auto it = sparseArray.begin(); it != sparseArray.end(); it++) {
-        //      Position  toCheck =  sparseArray[i];
-        //      auto tmp = it;
-        //      for (; tmp != sparseArray.end(); tmp++) {
-        //          if ()
-        //      }
-        //}
+        for (auto begin = arrInt->begin(); begin != arrInt->end(); begin++) {
+            *begin += 1;
+        }
+        std::cout << "------------------------------------" << std::endl;
     }
 }
diff --git a/src/poc/src/system/Collison.hpp b/src/poc/src/system/Collison.hpp
index d1dd1590..25cd55ff 100644
--- a/src/poc/src/system/Collison.hpp
+++ b/src/poc/src/system/Collison.hpp
@@ -15,7 +15,7 @@
 namespace System {
     class Collison : public ASystem {
         public:
-            Collison(const Registry &registry);
+            Collison(Registry *registry);
 
             void run() final;
         protected:
diff --git a/src/poc/src/system/Movement.cpp b/src/poc/src/system/Movement.cpp
index 6f9349f9..35ba0e5e 100644
--- a/src/poc/src/system/Movement.cpp
+++ b/src/poc/src/system/Movement.cpp
@@ -12,7 +12,7 @@
 #include "Movement.hpp"
 
 namespace System {
-    Movement::Movement(const Registry &registry)
+    Movement::Movement(Registry *registry)
         : ASystem(registry)
     {
         
@@ -20,8 +20,12 @@ namespace System {
 
     void Movement::run()
     {
-        std::cout << "Update Movement" << std::endl;
-        // get Position sparseArray with Position component type index
+        std::cout << "Printing sparse array of int" << std::endl;
+        Registry::array<int> arrInt = _registry->getComponents<int>();
 
+        for (auto begin = arrInt->begin(); begin != arrInt->end(); begin++) {
+            std::cout << *begin << std::endl;
+        }
+        std::cout << "------------------------------------" << std::endl;
     }
 }
diff --git a/src/poc/src/system/Movement.hpp b/src/poc/src/system/Movement.hpp
index 8848025a..d73f91a7 100644
--- a/src/poc/src/system/Movement.hpp
+++ b/src/poc/src/system/Movement.hpp
@@ -15,7 +15,7 @@
 namespace System {
     class Movement : public ASystem {
         public:
-            Movement(const Registry &registry);
+            Movement(Registry *registry);
 
             void run() final;
         protected:
diff --git a/src/poc/src/system/managers/SystemManager.cpp b/src/poc/src/system/managers/SystemManager.cpp
index 58a763a2..616ba4d3 100644
--- a/src/poc/src/system/managers/SystemManager.cpp
+++ b/src/poc/src/system/managers/SystemManager.cpp
@@ -12,7 +12,7 @@
 
 
 namespace System {
-    SystemManager::SystemManager(Registry &registry)
+    SystemManager::SystemManager()
     {
     }
 
@@ -27,10 +27,8 @@ namespace System {
         }
     }
 
-    void addSystems(std::vector<std::unique_ptr<ISystem>> systems)
+    void SystemManager::addSystem(std::unique_ptr<ISystem> system)
     {
-        for (auto &system: systems) {
-            
-        }
+        _systems.push_back(std::move(system));
     }
 }
diff --git a/src/poc/src/system/managers/SystemManager.hpp b/src/poc/src/system/managers/SystemManager.hpp
index d38f4c70..028d6ea7 100644
--- a/src/poc/src/system/managers/SystemManager.hpp
+++ b/src/poc/src/system/managers/SystemManager.hpp
@@ -13,17 +13,16 @@
 #include <memory>
 #include <vector>
 #include "ISystem.hpp"
-#include "Registry.hpp"
 
 namespace System {
     class SystemManager {
         public:
-            SystemManager(Registry &registry);
+            SystemManager();
             ~SystemManager();
 
             void updateSystems();
 
-            void addSystems(std::vector<std::unique_ptr<ISystem>> systems);
+            void addSystem(std::unique_ptr<ISystem> system);
     
         protected:
             std::vector<std::unique_ptr<ISystem>> _systems;