WarioWare D.I.Y.

WarioWare: D.I.Y. allows players to design their own microgames, creating their own graphics, music and designing a 'cartridge' for them. The game features five sections in its main menu: D.I.Y. Studio, where the player designs microgames, WarioWare Inc., the tutorial, D.I.Y Shop, where the player makes microgame cartridges, Options Garage, where players edit preferences and names, and Distribution Center, in which players send games to the Wii or vice versa. (Wikipedia.org)