Mario and Sonic are back and this time,they take on the London 2012 olympic games. All your favourite characters and games from the series are here too,even with a host of new events such as Soccor,100m sprint,Uneven bars and Equestrain:Show Jumping. There are even Dream Events on selected sports.Also,there's London Party mode. You can play as everyone from the Super Mario series and Sonic the Hedgehog series