Mario & Sonic at the London 2012 Olympic Games (2011) - MobyGames

The two franchises meet again to tie in with the 2012 Summer Olympic Games in London. There are 21 playable characters (the same ones as those in Mario & Sonic at the Olympic Winter Games). Over 30 events are featured, including 10 Dream Events and

Mario & Sonic at the Olympic Games (2007) - MobyGames

London 2012 (2012) - MobyGames

Mario & Sonic at the London 2012 Olympic Games (2011) - MobyGames

Trailer: Mario & Sonic at the London 2012 Olympic Games E3 2011

Mario & Sonic at the Olympic Games (2008) - MobyGames

The Video Game Critic's Wii Reviews L-M

Sonic the Hedgehog (2006 video game), Ultimate Pop Culture Wiki

The Video Game Critic's Wii U Reviews M-N

Mario & Sonic at the Olympic Winter Games (2009) - MobyGames

TGDB - Browse - Game - Mario & Sonic at the London 2012 Olympic Games

Wii Mario & Sonic Olympic Games / Winter / London 2012 Game Series Wii & Wii U