Yes, it is!
sure first was Mario and sonic at the olympic games then Mario and sonic at the olympic winter games then its Mario and sonic at the London 2012 olympic games
Mario & Sonic at the Olympic Games, Mario & Sonic at the Olympic Winter Games, and Mario & Sonic at the London 2012 Olympic Games do not have unlockable characters. All playable characters are available from the start.
Yes
Mario and Sonic at the London Olympic Games - 2011 VG is rated/received certificates of: Australia:G USA:E
Mario and Sonic at the Olympic games in London. Probably. I am not so sure just yet.
no there is only single match and london party
it was easy. .:^^:.
yes
Mario and Sonic at the Winter Olympic Games could be considered as Mario and Sonic at the Olympic Games 2, which would mean that the game is already released. Other than this, Mario and Sonic at the London Olympic Games will be released later on this year for Wii and early 2012 for 3DS.
not sure
It is optional
yes