The game is officially licensed by the International Olympic Committee, as have the other games in the series.

It was developed by Sega Sports RD, with assistance from Arzest and Spike Chunsoft, and published by Nintendo.

The game is a collection of Olympic sports themed mini-games featuring characters from the Mario series and the Sonic the Hedgehog series.

The game features thirty-four playable characters from Mario and Sonic the Hedgehog franchises, as well as the option to use a previously made Mii character in-game.

New playable characters (or guests) to the series include Diddy Kong, Nabbit, Wendy O.

Koopa, Larry Koopa, Rosalina, Toad, Dry Bowser, Jet the Hawk, Rouge the Bat, Wave the Swallow, Espio the Chameleon, Zavok, Sticks the Badger and Zazz.

Each character has their own individual statistics for power, speed and technique, which affect the players performance depending on the variables of the minigame.

In the Wii U version, some of the minigames have motion control functionality using the Wii Remote controller.

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Mario And Sonic London Cia Rom