diff --git a/lib/hkStubs/CMakeLists.txt b/lib/hkStubs/CMakeLists.txt
index a4951a38..158ce5d6 100644
--- a/lib/hkStubs/CMakeLists.txt
+++ b/lib/hkStubs/CMakeLists.txt
@@ -134,6 +134,13 @@ add_library(hkStubs OBJECT
   Havok/Physics2012/Dynamics/World/hkpWorldCinfo.cpp
   Havok/Physics2012/Dynamics/World/hkpWorldCinfo.h
   Havok/Physics2012/Dynamics/World/hkpWorldObject.h
+  Havok/Physics2012/Dynamics/World/Listener/hkpIslandActivationListener.h
+  Havok/Physics2012/Dynamics/World/Listener/hkpIslandPostCollideListener.h
+  Havok/Physics2012/Dynamics/World/Listener/hkpIslandPostIntegrateListener.h
+  Havok/Physics2012/Dynamics/World/Listener/hkpWorldDeletionListener.h
+  Havok/Physics2012/Dynamics/World/Listener/hkpWorldPostCollideListener.h
+  Havok/Physics2012/Dynamics/World/Listener/hkpWorldPostIntegrateListener.h
+  Havok/Physics2012/Dynamics/World/Listener/hkpWorldPostSimulationListener.h
   Havok/Physics2012/Dynamics/World/Memory/hkpWorldMemoryAvailableWatchDog.h
   Havok/Physics2012/Dynamics/World/Memory/Default/hkpDefaultWorldMemoryWatchDog.h
   Havok/Physics2012/Dynamics/World/Simulation/hkpSimulation.h
diff --git a/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpIslandActivationListener.h b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpIslandActivationListener.h
new file mode 100644
index 00000000..df8d40e0
--- /dev/null
+++ b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpIslandActivationListener.h
@@ -0,0 +1,11 @@
+#pragma once
+
+class hkpSimulationIsland;
+
+class hkpIslandActivationListener {
+public:
+    virtual ~hkpIslandActivationListener() = default;
+
+    virtual void islandActivatedCallback(hkpSimulationIsland* island) = 0;
+    virtual void islandDeactivatedCallback(hkpSimulationIsland* island) = 0;
+};
diff --git a/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpIslandPostCollideListener.h b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpIslandPostCollideListener.h
new file mode 100644
index 00000000..9e6d70f7
--- /dev/null
+++ b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpIslandPostCollideListener.h
@@ -0,0 +1,11 @@
+#pragma once
+
+class hkpSimulationIsland;
+class hkStepInfo;
+
+class hkpIslandPostCollideListener {
+public:
+    virtual ~hkpIslandPostCollideListener() = default;
+
+    virtual void postCollideCallback(hkpSimulationIsland* Island, const hkStepInfo& stepInfo) = 0;
+};
diff --git a/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpIslandPostIntegrateListener.h b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpIslandPostIntegrateListener.h
new file mode 100644
index 00000000..9edb4574
--- /dev/null
+++ b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpIslandPostIntegrateListener.h
@@ -0,0 +1,11 @@
+#pragma once
+
+class hkpSimulationIsland;
+class hkStepInfo;
+
+class hkpIslandPostIntegrateListener {
+public:
+    virtual ~hkpIslandPostIntegrateListener() = default;
+
+    virtual void postIntegrateCallback(hkpSimulationIsland* island, const hkStepInfo& stepInfo) = 0;
+};
diff --git a/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpWorldDeletionListener.h b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpWorldDeletionListener.h
new file mode 100644
index 00000000..79c89af6
--- /dev/null
+++ b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpWorldDeletionListener.h
@@ -0,0 +1,11 @@
+#pragma once
+
+class hkpWorld;
+
+class hkpWorldDeletionListener {
+public:
+    virtual ~hkpWorldDeletionListener() = default;
+
+    virtual void worldDeletedCallback(hkpWorld* world) = 0;
+    virtual void worldRemoveAllCallback(hkpWorld* world) {}
+};
diff --git a/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpWorldPostCollideListener.h b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpWorldPostCollideListener.h
new file mode 100644
index 00000000..30b1c56d
--- /dev/null
+++ b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpWorldPostCollideListener.h
@@ -0,0 +1,11 @@
+#pragma once
+
+class hkpWorld;
+class hkStepInfo;
+
+class hkpWorldPostCollideListener {
+public:
+    virtual ~hkpWorldPostCollideListener() = default;
+
+    virtual void postCollideCallback(hkpWorld* world, const hkStepInfo& stepInfo) = 0;
+};
diff --git a/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpWorldPostIntegrateListener.h b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpWorldPostIntegrateListener.h
new file mode 100644
index 00000000..30fafae2
--- /dev/null
+++ b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpWorldPostIntegrateListener.h
@@ -0,0 +1,12 @@
+#pragma once
+
+class hkpWorld;
+class hkpEntity;
+class hkStepInfo;
+
+class hkpWorldPostIntegrateListener {
+public:
+    virtual ~hkpWorldPostIntegrateListener() = default;
+
+    virtual void postIntegrateCallback(hkpWorld* world, const hkStepInfo& stepInfo) = 0;
+};
diff --git a/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpWorldPostSimulationListener.h b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpWorldPostSimulationListener.h
new file mode 100644
index 00000000..eb15a3d4
--- /dev/null
+++ b/lib/hkStubs/Havok/Physics2012/Dynamics/World/Listener/hkpWorldPostSimulationListener.h
@@ -0,0 +1,13 @@
+#pragma once
+
+class hkpWorld;
+class hkpEntity;
+class hkStepInfo;
+
+class hkpWorldPostSimulationListener {
+public:
+    virtual ~hkpWorldPostSimulationListener() = default;
+
+    virtual void postSimulationCallback(hkpWorld* world) = 0;
+    virtual void inactiveEntityMovedCallback(hkpEntity* entity) {}
+};