diff --git a/GlitchLog/src/DebugLogger.bf b/GlitchLog/src/DebugLogger.bf
index 95c5b06..b2c8d6a 100644
--- a/GlitchLog/src/DebugLogger.bf
+++ b/GlitchLog/src/DebugLogger.bf
@@ -25,6 +25,11 @@ namespace GlitchLog
 
 		public abstract void Assert(bool condition, String error = Compiler.CallerExpression[0], String filePath = Compiler.CallerFilePath, int line = Compiler.CallerLineNum);
 
+#if !DEBUG
+		[SkipCall]
+#endif
+		public abstract void AssertDebug(bool condition, String error = Compiler.CallerExpression[0], String filePath = Compiler.CallerFilePath, int line = Compiler.CallerLineNum);
+
 		public abstract void Log(LogLevel level, StringView format, params Object[] args);
 	}
 
@@ -112,6 +117,16 @@ namespace GlitchLog
 			}
 		}
 
+		public override void AssertDebug(bool condition, String error = Compiler.CallerExpression[0], String filePath = Compiler.CallerFilePath, int line = Compiler.CallerLineNum)
+		{
+			if (!condition)
+			{
+				String failStr = scope .()..AppendF("Assert failed: {} at line {} in {}", error, line, filePath);
+				InternalLog(.Critical, failStr);
+				Internal.FatalError(failStr, 1);
+			}
+		}
+
 		private void InternalLog(LogLevel level, StringView format, params Object[] args)
 		{
 			if(_logLevel > level)
diff --git a/GlitchyEngine/src/Application.bf b/GlitchyEngine/src/Application.bf
index 6f63430..3f60aa6 100644
--- a/GlitchyEngine/src/Application.bf
+++ b/GlitchyEngine/src/Application.bf
@@ -29,7 +29,7 @@ namespace GlitchyEngine
 
 		public this()
 		{
-			Runtime.Assert(s_Instance == null, "Tried to create a second application.");
+			Log.EngineLogger.Assert(s_Instance == null, "Tried to create a second application.");
 			s_Instance = this;
 
 			_window = new Window(.Default);