Overturn

OVERTURN is a futuristic robot-versus-robot fighting game. Choose from eight different robots to pilot and master, using various close-range and long-range weapons to blast away enemies in six single-player tournaments. Unlock secret modes and up to 12 new weapons. Customize your robot's color and weapons to prepare for your next battle. Then take the action online to play in a two-player Versus battle or a four-player Battle Royale match. Search the world for Friends or other players who are online and ready for battle. Players with the optional Wii Balance Board can use it to control their robots by shifting their weight.

Source: TheGamesDB