diff --git a/Nodsoft.WowsReplaysUnpack.Console/Program.cs b/Nodsoft.WowsReplaysUnpack.Console/Program.cs
index ef00174..d3dd6fd 100644
--- a/Nodsoft.WowsReplaysUnpack.Console/Program.cs
+++ b/Nodsoft.WowsReplaysUnpack.Console/Program.cs
@@ -50,12 +50,30 @@
 //	Console.WriteLine($"[{GetGroupString(msg)}] {msg.EntityId} : {msg.MessageContent}");
 //}
 
-Task<UnpackedReplay>[] tasks = { };
-for (int i = 0; i < 10; i++)
+const int CYCLE = 20;
+async Task<UnpackedReplay[]> syncTasks(bool sync)
 {
-	tasks.Append(Task.Run(() => replayUnpacker.GetUnpacker().Unpack(_GetReplayFile("good.wowsreplay"))));
+	List<UnpackedReplay> unpackedReplays = new List<UnpackedReplay>();
+	if (sync)
+	{
+		for (int i = 0; i < CYCLE; i++)
+		{
+			replayUnpacker.GetUnpacker().Unpack(_GetReplayFile("good.wowsreplay"));
+		}
+	}
+	else
+	{	
+		Parallel.ForEach(Enumerable.Range(0, CYCLE), (i) =>
+		{
+			unpackedReplays.Add(replayUnpacker.GetUnpacker().Unpack(_GetReplayFile("good.wowsreplay")));
+		});
+	}
+	return unpackedReplays.ToArray();
 }
-await Task.WhenAll(tasks);
+
+DateTime start = DateTime.Now;
+await syncTasks(false);
+Console.WriteLine(DateTime.Now - start);
 
 var goodReplay = replayUnpacker.GetUnpacker().Unpack(_GetReplayFile("good.wowsreplay"));
 var alphaReplay = replayUnpacker.GetUnpacker().Unpack(_GetReplayFile("press_account_alpha.wowsreplay"));
diff --git a/Nodsoft.WowsReplaysUnpack/Services/ReplayUnpackerService.cs b/Nodsoft.WowsReplaysUnpack/Services/ReplayUnpackerService.cs
index d8f5ba6..da38623 100644
--- a/Nodsoft.WowsReplaysUnpack/Services/ReplayUnpackerService.cs
+++ b/Nodsoft.WowsReplaysUnpack/Services/ReplayUnpackerService.cs
@@ -77,6 +77,7 @@ Seek to offset 4 in the replay file (skipping the magic number)
 		byte[] signature = binaryReader.ReadBytes(4);
 		int jsonBlockCount = binaryReader.ReadInt32();
 
+		_semaphore.Release();
 		// Verify replay signature
 		if (!signature.SequenceEqual(ReplaySignature))
 		{
@@ -86,11 +87,13 @@ Seek to offset 4 in the replay file (skipping the magic number)
 		// The first block is the arena info
 		// Read it and create the unpacked replay model
 		UnpackedReplay replay = _replayController.CreateUnpackedReplay(ReadJsonBlock<ArenaInfo>(binaryReader));
+		_semaphore.Wait();
 		ReadExtraJsonBlocks(replay, binaryReader, jsonBlockCount);
 
 		MemoryStream decryptedStream = new();
 		Decrypt(binaryReader, decryptedStream);
 
+		_semaphore.Release();
 		// Initial stream and reader not used anymore
 		binaryReader.Dispose();
 
@@ -101,6 +104,7 @@ Seek to offset 4 in the replay file (skipping the magic number)
 		decryptedStream.Dispose();
 
 
+		_semaphore.Wait();
 		foreach (NetworkPacketBase networkPacket in _replayDataParser.ParseNetworkPackets(replayDataStream, options))
 		{
 			_replayController.HandleNetworkPacket(networkPacket, options);