Orbot & Cubot Tag!
From the Super Mario Wiki
Orbot & Cubot Tag! is a 4-player minigame in Mario & Sonic at the London 2012 Olympic Games (Wii).
Players play tag in a 3D environment, but all four players being the evaders of the two taggers, Orbot and Cubot. If a player gets tagged, they are put into a cage until they are rescued by another player. Game ends when either all players are in cages or the timer runs out. Players win if no one is in a cage when time runs out. Otherwise they lose.
Wii Remote held sideways
Wii Remote and Nunchuk
Objective: Work together and stay free to win!