Nintendo themselves haven't made any M-rated game, to keep with their family friendly rating. But, that hasn't stopped them from approving M-rated games on their consoles, for example
ya M for mature
The next rated M game is coming out on 5/15/2011
No.
Only if the game is rated "M".
you get an m-rated vidoe game by going to the store, getting the game, then you show your id and pay the money
no
yes
M
MadWorld
yes. but if the game is RP then no.
Yes of course they can, but it is not recommended that you do. Unless its an old rated M game for something like the Nintendo 64 then it should be fine.
It is impossible to download a game-boy game onto Pokemon platinum
No the game is rated M for the PS3, PC and Xbox 360