Super Mario Spikers is a cancelled video game developed by Next Level Games, planned for release on the Nintendo Wii video game console. The game was worked on in 2006 and 2007, but never formally announced as a title in development until a prototype was leaked in 2014. The game was described as a hybrid of volleyball and wrestling, with elements of a game show as well. Development of the game began in late 2006, shortly after Next Level Games had completed Mario Strikers: Charged. As a reward for the success of the prior two Mario Strikers adaptations of the Mario franchise to the world of Soccer, and Nintendo's general success with creating sports adaptations with Mario characters, Nintendo financed Next Level Games efforts to create a pitch for a volleyball game. The title started off as Mario Volleyball, a simple take on Mario characters playing volleyball, similar to Mario Golf or Mario Tennis. Over time, the development team decided to implement elements of wrestling to the game,...