diff --git a/src/Hypercube.Ecs/Events/IEventBus.cs b/src/Hypercube.Ecs/Events/IEventBus.cs
index 240dcfc..f9e5ba1 100644
--- a/src/Hypercube.Ecs/Events/IEventBus.cs
+++ b/src/Hypercube.Ecs/Events/IEventBus.cs
@@ -12,6 +12,12 @@ void Subscribe<TComponent, TEvent>(Handling.EventHandler<TComponent, TEvent> han
     void Unsubscribe<TComponent, TEvent>(Handling.EventHandler<TComponent, TEvent> handler)
         where TComponent : IComponent
         where TEvent : struct, IEvent;
+    
+    void Subscribe<TEvent>(Handling.EventHandler<TEvent> handler, int priority = EventHandlerList.NoPriority)
+        where TEvent : struct, IEvent;
+
+    void Unsubscribe<TEvent>(Handling.EventHandler<TEvent> handler)
+        where TEvent : struct, IEvent;
 
     void Raise<TComponent, TEvent>(Entity entity, ref TComponent component, TEvent args)
         where TComponent : IComponent
@@ -20,4 +26,10 @@ void Raise<TComponent, TEvent>(Entity entity, ref TComponent component, TEvent a
     void Raise<TComponent, TEvent>(Entity entity, ref TComponent component, ref TEvent args)
         where TComponent : IComponent
         where TEvent : struct, IEvent;
+    
+    void Raise<TEvent>(TEvent args)
+        where TEvent : struct, IEvent;
+    
+    void Raise<TEvent>(ref TEvent args)
+        where TEvent : struct, IEvent;
 }
diff --git a/src/Hypercube.Ecs/System/EntitySystem.World.cs b/src/Hypercube.Ecs/System/EntitySystem.World.cs
index 269a479..3a4b0c9 100644
--- a/src/Hypercube.Ecs/System/EntitySystem.World.cs
+++ b/src/Hypercube.Ecs/System/EntitySystem.World.cs
@@ -74,4 +74,20 @@ protected void Raise<TComponent, TEvent>(Entity entity, ref TComponent component
         where TComponent : IComponent
         where TEvent : struct, IEvent
         => World.Events.Raise(entity, ref component, ref args);
+        
+    protected void Subscribe<TEvent>(Events.Handling.EventHandler<TEvent> handler, int priority = EventHandlerList.NoPriority)
+        where TEvent : struct, IEvent
+        => World.Events.Subscribe(handler, priority);
+
+    protected void Unsubscribe<TEvent>(Events.Handling.EventHandler<TEvent> handler)
+        where TEvent : struct, IEvent
+        => World.Events.Unsubscribe(handler);
+    
+    protected void Raise<TEvent>(TEvent args)
+        where TEvent : struct, IEvent
+        => World.Events.Raise(ref args);
+    
+    protected void Raise<TEvent>(ref TEvent args)
+        where TEvent : struct, IEvent
+        => World.Events.Raise(ref args);
 }