Featuring 16 fully customizable cars, GTI Club Supermini Festa! Has a variety of courses staged in five different countries including Japan, France, United Kingdom, Italy and the United States. Each stage includes a number of bends, twists and secret routes that players can discover as they race. The action doesn't stop there, the game also includes multi-player modes that support up to 4 players, including "Bombtag", a time-attack mode that enables players to avoid being tagged with a bomb before it blows up, and "Tomato Frenzy", which arms players with tomatoes to shoot at targets while they race. Online battle modes are also available via Nintendo Wi-Fi connection on Wii and via ad-hoc party for PSP.