Joe the problem does not solved , i will explain what i do to imagine with me what happen , i added 2 actors ( player , coins) , i create tiles and i place the player in the start of the scene , and i place the coins throw the whole scene may be about 50 coins and the game became very very slow , what i should do , i read the articles on performance and i do all thing except of the recycle actor because i do not crate an actor throw the behavior , i add the coins and the player direct from the scene window , i need a help on that