diff --git a/Code/Game/GameServer/Implementation/GameSession_Gameplay.cpp b/Code/Game/GameServer/Implementation/GameSession_Gameplay.cpp
index bc839554..e1330eff 100644
--- a/Code/Game/GameServer/Implementation/GameSession_Gameplay.cpp
+++ b/Code/Game/GameServer/Implementation/GameSession_Gameplay.cpp
@@ -90,7 +90,7 @@ using namespace DanBias;
 	{
 		for (unsigned int i = 0; i < this->gClients.Size(); i++)
 		{
-			if(this->gClients[i] )
+			if(this->gClients[i] && !this->gClients[i]->IsInvalid())
 			{
 				this->gClients[i]->UpdateClient();
 			}
@@ -101,7 +101,7 @@ using namespace DanBias;
 		bool returnValue = false;
 		for (unsigned int i = 0; i < this->gClients.Size(); i++)
 		{
-			if(this->gClients[i])
+			if(this->gClients[i] && !this->gClients[i]->IsInvalid())
 			{
 				this->gClients[i]->GetClient()->Send(message);
 				returnValue = true;
@@ -115,7 +115,7 @@ using namespace DanBias;
 	{
 		for (unsigned int i = 0; i < this->gClients.Size(); i++)
 		{
-			if(this->gClients[i] && this->gClients[i]->GetClient()->GetID() == ID)
+			if(this->gClients[i] && !this->gClients[i]->IsInvalid() && this->gClients[i]->GetClient()->GetID() == ID)
 			{
 				this->gClients[i]->GetClient()->Send(protocol);
 				return true;
diff --git a/Code/Physics/GamePhysics/Implementation/PhysicsAPI_Impl.cpp b/Code/Physics/GamePhysics/Implementation/PhysicsAPI_Impl.cpp
index 91886313..b86f3821 100644
--- a/Code/Physics/GamePhysics/Implementation/PhysicsAPI_Impl.cpp
+++ b/Code/Physics/GamePhysics/Implementation/PhysicsAPI_Impl.cpp
@@ -291,7 +291,7 @@ void API_Impl::UpdateWorld()
 		simpleBody->SetPreviousVelocity(simpleBody->GetLinearVelocity());
 	}
 
-	this->dynamicsWorld->stepSimulation(this->timeStep, 1, this->timeStep);
+	this->dynamicsWorld->stepSimulation(this->timeStep, 10, this->timeStep);
 
 	ICustomBody::State state;
 
@@ -314,8 +314,33 @@ void API_Impl::UpdateWorld()
 		ICustomBody* bodyA = (ICustomBody*)obA->getUserPointer();
 		ICustomBody* bodyB = (ICustomBody*)obB->getUserPointer();
 	
-		bodyA->CallSubscription_AfterCollisionResponse(bodyA, bodyB, 0.0f);
-		bodyB->CallSubscription_AfterCollisionResponse(bodyB, bodyA, 0.0f);
+		
+
+		int numContacts = contactManifold->getNumContacts();
+		for (int j=0;j<numContacts;j++)
+		{
+			btManifoldPoint& pt = contactManifold->getContactPoint(j);
+			if (pt.getDistance()<0.f)
+			{
+				if(bodyA->GetState().mass == 40 && bodyB->GetState().centerPos == Float3::null)
+				{
+					const char* breakPoint = "STOP";
+				}
+				if(bodyB->GetState().mass == 40 && bodyA->GetState().centerPos == Float3::null)
+				{
+					const char* breakPoint = "STOP";
+				}
+
+				const btVector3& ptA = pt.getPositionWorldOnA();
+				const btVector3& ptB = pt.getPositionWorldOnB();
+				const btVector3& normalOnB = pt.m_normalWorldOnB;
+
+				bodyA->CallSubscription_AfterCollisionResponse(bodyA, bodyB, 0.0f);
+				bodyB->CallSubscription_AfterCollisionResponse(bodyB, bodyA, 0.0f);
+			}
+		}
+
+		
 	}
 
 }
diff --git a/Code/Physics/GamePhysics/Implementation/SimpleRigidBody.cpp b/Code/Physics/GamePhysics/Implementation/SimpleRigidBody.cpp
index fe76ade7..25c57e3b 100644
--- a/Code/Physics/GamePhysics/Implementation/SimpleRigidBody.cpp
+++ b/Code/Physics/GamePhysics/Implementation/SimpleRigidBody.cpp
@@ -22,6 +22,8 @@ SimpleRigidBody::SimpleRigidBody()
 	this->state.restitutionCoeff = 0.0f;
 	this->state.reach = Float3(0.0f, 0.0f, 0.0f);
 
+	this->collisionFlags = 0;
+
 	this->afterCollision = NULL;
 	this->onMovement = NULL;
 
@@ -85,7 +87,7 @@ void SimpleRigidBody::SetMotionState(btDefaultMotionState* motionState)
 void SimpleRigidBody::SetRigidBody(btRigidBody* rigidBody)
 {
 	this->rigidBody = rigidBody;
-	
+	this->collisionFlags = rigidBody->getCollisionFlags();
 }
 
 void SimpleRigidBody::SetSubscription(EventAction_AfterCollisionResponse function)
@@ -421,7 +423,7 @@ void SimpleRigidBody::MoveToLimbo()
 
 void SimpleRigidBody::ReleaseFromLimbo()
 {
-	this->rigidBody->setCollisionFlags(btCollisionObject::CF_KINEMATIC_OBJECT);
+	this->rigidBody->setCollisionFlags(this->collisionFlags);
 }
 
 void SimpleRigidBody::SetPreviousVelocity(::Oyster::Math::Float3 velocity)
diff --git a/Code/Physics/GamePhysics/Implementation/SimpleRigidBody.h b/Code/Physics/GamePhysics/Implementation/SimpleRigidBody.h
index 4d1ec3ce..f3e7e0c6 100644
--- a/Code/Physics/GamePhysics/Implementation/SimpleRigidBody.h
+++ b/Code/Physics/GamePhysics/Implementation/SimpleRigidBody.h
@@ -93,6 +93,8 @@ namespace Oyster
 			btVector3 raySource[2];
 			btVector3 rayTarget[2];
 			btScalar rayLambda[2];
+
+			int collisionFlags;
 		};
 	} 
 }