diff --git a/Code/Game/GameLogic/Level.cpp b/Code/Game/GameLogic/Level.cpp
index 9dc4a6f8..82ba5def 100644
--- a/Code/Game/GameLogic/Level.cpp
+++ b/Code/Game/GameLogic/Level.cpp
@@ -55,7 +55,7 @@ void Level::InitiateLevel(float radius)
 	sbDesc.centerPosition = Oyster::Math::Float4(0,0,0,1);
 	sbDesc.ignoreGravity = true;
 	sbDesc.radius = 600; 
-	sbDesc.mass = 100;
+	sbDesc.mass = 70;
 	sbDesc.frictionCoeff_Static = 0;
 	sbDesc.frictionCoeff_Dynamic = 0;
 	//sbDesc.rotation = 
@@ -75,8 +75,9 @@ void Level::InitiateLevel(float radius)
 	sbDesc_TestBox.centerPosition = Oyster::Math::Float4(10,320,0,1);
 	sbDesc_TestBox.ignoreGravity = false;
 
-	sbDesc_TestBox.mass = 20;
-	sbDesc_TestBox.size = Oyster::Math::Float4(0.5,0.5,0.5,0);
+	sbDesc_TestBox.mass = 15;
+	sbDesc_TestBox.size = Oyster::Math::Float4(1, 1, 1, 0);
+	sbDesc_TestBox.inertiaTensor.Cuboid(15, 1, 1, 1);
 
 	
 	ICustomBody* rigidBody_TestBox;
@@ -131,8 +132,9 @@ void Level::InitiateLevel(float radius)
 	API::SimpleBodyDescription sbDesc_Crystal;
 	sbDesc_Crystal.centerPosition = Oyster::Math::Float4(10, 605, 0, 1);
 	sbDesc_Crystal.ignoreGravity = false;
-	sbDesc_Crystal.mass = 80;
-	sbDesc_Crystal.size = Oyster::Math::Float3(1,2,1);
+	sbDesc_Crystal.mass = 15;
+	sbDesc_Crystal.size = Oyster::Math::Float3(1, 2, 1);
+	sbDesc_Crystal.inertiaTensor.Cuboid(15, 1, 2, 1);
 
 	ICustomBody* rigidBody_Crystal = API::Instance().CreateRigidBody(sbDesc_Crystal).Release();
 	rigidBody_Crystal->SetSubscription(Level::PhysicsOnMoveLevel);
diff --git a/Code/GamePhysics/Implementation/PhysicsAPI_Impl.cpp b/Code/GamePhysics/Implementation/PhysicsAPI_Impl.cpp
index a59c03b1..81a9ac06 100644
--- a/Code/GamePhysics/Implementation/PhysicsAPI_Impl.cpp
+++ b/Code/GamePhysics/Implementation/PhysicsAPI_Impl.cpp
@@ -362,7 +362,7 @@ void API_Impl::Update()
 		}
 
 		Float posLength = state.GetCenterPosition().GetLength();
-		if( gravityImpulse != Float4::null && posLength - 601 > state.GetReach().GetLength() )
+		if( gravityImpulse != Float4::null && posLength - 600 > state.GetReach().GetLength() )
 		{
 			state.ApplyLinearImpulse( gravityImpulse.xyz );
 			state.SetGravityNormal( gravityImpulse.GetNormalized().xyz );