Avatar Bump!

"The Best Party game money can buy!" - Avatar Gamer Magazine. Knock other players out of the 4 different arenas while trying to stay inside! Features 6 Versus modes, gorgeous graphics, wacky powerups, endless customizations... Single and Coop modes included at no extra charge! At the same price than a cup of coffee, this tastes way better and lasts longer!

Source:

xbox.com