The official video game of the 2008 Summer Olympics, Mario & Sonic at the Olympic Games was released in 2007 for the Wii and 2008 for the DS. It has 24 events to compete in and meshes the Mario characters with the Sonic characters to play. These are the cheat codes and unlockables for the game that deal with music and events.
Music
(complete all rounds of each mini game to unlock songs)
Green Hill and Overworld – Finish all rounds of one mini game
Sonic 2 Special Stage and Underwater – Finish all rounds of three mini games
Super Mario World Ground BGM and Let the Speed Mend It – Clear 5th set of mini games
Star Light and Underground – Finish all rounds of two mini games
Super Mario 3 Ground BGM and Sonic Heroes – Clear 4th set of mini games
Circuits
Moonlight Circuit – Win on Venus, Mercury, Jupiter, and Saturn Circuits
Stardust Circuit – Win the Moonlight Circuit
Universal Circuit – Place and be on podium for Galaxy Circuit
Supernova Circuit – Win Meteorite Circuit
Sunlight Circuit – Win Planet, Comet, Satellite, and Stardust Circuit.
Big Bang Circuit – On Universal Circuit, place to where you are on podium
Cosmos Circuit – Win Supernova Circuit
Meteorite Circuit – Win in Sunlight, Planet, Comet, Satellite, and Stardust Circuit
Events
Pole Vault – Unlock the Supernova Circuit
Single Sculls Events – Unlock the Moonlight Circuit
Vault – Unlock the Cosmos Circuit
400 meter Hurdles – You must win Sunlight Circuit
400 meter Race – Win Planet Circuit
4 x 100 meter Relay Event – Unlock the Moonlight Circuit
End Credits Sequence – Win on Big Bang Circuit
Dream Table Tennis – Win Satellite Circuit
Archery Event – Unlock the Stardust Circuit
Advanced Class – Win the Moonlight Circuit
Dream Fencing – Win Comet Circuit
High Jump – Play through as all the characters a minimum of once
Dream Race Event – Unlock Moonlight Circuit
Dream Platform – Unlock Galaxy Circuit