Third title in the [[Mario & Sonic (series)|]] series. Released in 2011 for the [[Wii]], and 2012 for the [[Nintendo 3DS]].

No new playable characters are introduced in this game.

This game introduces gymnastics outfits for Peach, Daisy, Amy, and Blaze, which are also worn during Aquatics events. No other characters have alternate costumes except for Sonic, who wears a blue [[life vest]] during Aquatics events.
* [[Princess Peach (Gymnastics)]]
* [[Princess Daisy (Gymnastics)]]
* [[Amy Rose (Gymnastics)]]
* [[Blaze the Cat (Gymnastics)]]
* !asset #9712886

[expand=Playable characters]
h4. Power Type
* !post #7929103: [[Wario]]
* !post #7929104: [[Knuckles the Echidna]]
* !post #7929105: [[Bowser]]
* !post #7929106: [[Vector the Crocodile]]
* !post #7929107: [[Donkey Kong]]

h4. All-Around Type
* !post #7929108: [[Luigi]]
* !post #7929109: [[Amy Rose]] ([[amy_rose_(gymnastics)|Gymnastics]])
* !post #7929110: [[Mario]]
* !post #7929111: [[Blaze the Cat]] ([[blaze_the_cat_(gymnastics)|Gymnastics]])
* !post #7929112: [[Bowser Jr.]]

h4. Speed Type
* !post #7929113: [[Shadow the Hedgehog]]
* !post #7929114: [[Princess Daisy]] ([[Tennis Daisy]])
* !post #7929115: [[Sonic the Hedgehog]]
* !post #7929116: [[Yoshi]]
* !post #7929117: [[Metal Sonic]]

h4. Skill Type
* !post #7929118: [[Tails (sonic)|]]
* !post #7929119: [[Princess Peach]] ([[princess_peach_(gymnastics)|Gymnastics]])
* !post #7929120: [[Dr. Eggman]]
* !post #7929121: [[Waluigi]]
* !post #7929122: [[Silver the Hedgehog]]

h4. Other
[[Mii (nintendo)|]] (all Mii costumes for this game can be found "here":/media_assets/22507554)
[/expand]

[expand=Events]
[expand=Wii]
h4. Olympic Events
h6. Athletics
* 100m
* 110m Hurdles
* 4x100m Relay
* Long Jump
* Hammer Throw
* Discus Throw
* Javelin Throw

h6. Gymnastics
* Uneven Bars
* Trampoline
* Rhythmic Ribbon

h6. Aquatics
* 100m Freestyle
* Synchronized Swimming

h6. Canoeing
* Canoe Sprint 1000m

h6. Equestrian
* Show Jumping

h6. Badminton
* Doubles

h6. Beach Volleyball
* Beach Volleyball

h6. Table Tennis
* Singles

h6. Football
* Football

h6. Shooting
* Pistol

h6. Fencing
* Epée

h6. Track Cycling
* Team Pursuit

h4. Dream Events
* Dream Long Jump
* Dream Rafting
* Dream Discus
* Dream Uneven Bars
* Dream Hurdles
* Dream Equestrian
* Dream Sprint
* Dream Trampoline
* Dream Spacewalk
* Dream Fencing
[/expand]

[expand=3DS]
h6. Athletics
* 100m
* 110m Hurdles
* 1500m
* 3000m Steeplechase
* 4x100m Relay
* Marathon
* 20km Race Walk
* Long Jump
* Triple Jump
* Pole Vault
* Hammer Throw
* Javelin Throw
* Shot Put

h6. Aquatics
* 100m Freestyle
* 100m Backstroke
* 100m Breaststroke
* 10k Marathon Swim
* Platform Diving (Synchronised)
* Water Polo
* Synchronised Swimming (Duet)
* Synchronised Swimming (Team)

h6. Court & Field Sports
* Beach Volleyball
* Table Tennis (Doubles)
* Tennis (Singles)
* Hockey
* Basketball
* Handball
* Football
* Badminton (Singles)
* Badminton (Doubles)

h6. Contact Sports
* Judo
* Boxing
* Taekwondo
* Fencing - Epée
* Wrestling - Freestyle

h6. Gymnastics
* Horizontal Bar
* Balance Beam
* Rings
* Floor
* Trampline
* Rhythmic Ribbon (Team)

h6. Cycling
* Sprint
* Omnium
* Keirin
* BMX

h6. Equestrian
* Show Jumping (Team)

h6. Boat Games
* Rowing - Quadruple Sculls
* 1000m Kayak (Singles)
* Canoe Slalom (Pair)
* Sailing - 470 (Pair)

h6. Shooting
* Double Trap
* 25m Rapid Fire Pistol
* Archery (Individual)
* Archery (Team)

h6. Weightlifting
* Weightlifting

h6. Multi-Discipline
* Triathlon
* Modern Pentathlon
[/expand]
[/expand]
mario & sonic at the london 2012 olympic games