Waluigi's Foot Fault was a Flash game developed by Nintendo in 2000. The game was made to promote Mario Tennis for the Nintendo 64 and was discovered in a Nintendo Power magazine article. In this game, the player is tasked with clipping Waluigi's toenails and catching them with a jar in which points are earned.

Waluigi's Foot Fault was a Flash game developed by Nintendo in 2000. The game was made to promote Mario Tennis for the Nintendo 64 and was discovered in a Nintendo Power magazine article. In this game, the player is tasked with clipping Waluigi's toenails and catching them with a jar in which points are earned.