• g_cObjectWorld : MyGame.cpp
• g_cRenderWorld : BallManager.cpp , ObjectManager.cpp , objectworld.cpp , MyGame.cpp
• g_cTimer : objectworld.cpp , MyGame.cpp , Object.cpp
• g_nGameState : MyGame.cpp
• g_pSoundManager : MyGame.cpp , BallObject.cpp , BallManager.cpp
• g_szGameName : MyGame.cpp