diff --git a/Engine.Core/Extensions/BehaviourExtensions.cs b/Engine.Core/Extensions/BehaviourExtensions.cs
new file mode 100644
index 0000000..5e4b405
--- /dev/null
+++ b/Engine.Core/Extensions/BehaviourExtensions.cs
@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+
+using Syntriax.Engine.Core.Abstract;
+
+namespace Syntriax.Engine.Core;
+
+public static class BehaviourExtensions
+{
+    public static bool TryFindBehaviour<T>(this IEnumerable<IGameObject> gameObjects, [NotNullWhen(returnValue: true)] out T? behaviour)
+    {
+        behaviour = default;
+
+        foreach (IGameObject gameObject in gameObjects)
+            if (gameObject.BehaviourController.TryGetBehaviour(out behaviour))
+                return true;
+
+        return false;
+    }
+
+    public static void FindBehaviours<T>(this IEnumerable<IGameObject> gameObjects, List<T> behaviours)
+    {
+        behaviours.Clear();
+        List<T> cache = [];
+
+        foreach (IGameObject gameObject in gameObjects)
+        {
+            gameObject.BehaviourController.GetBehaviours(cache);
+            behaviours.AddRange(cache);
+        }
+    }
+}