there are 2 rating services, which review every game that is ever made

• E.S.R.B
• P.E.G.I

E.S.R.B stands for Entertainment Software Rating Board, they make no profit from what they do and are a self regulartory body.

P.E.G.I stands for Pan-European Game Information, they are a age rating company that is supported by many of the best consoles such as xbox, PS2 and Atari

Both these companies rate all the games which enter our country and make sure children aren't harmed by material seen in games