''Overturn'' is a video game developed by Studio Zan for WiiWare. It was released in Japan on December 2, 2008, in North America on August 3, 2009 and in Europe on February 12, 2010 by Gamebridge as ''Overturn: Mecha Wars''.〔(Gamebridge Announces European Release of Overturn: Mecha Wars )〕
The game is set on the planet Zastadion where the player competes in a tournament that sees them controlling a hovering mecha armed with an arsenal of weapons to battle others in an arena. Players can compete in six classes of increasing difficulty: Rookie, Novice, Elite, Ace, Grand and Master, and choose from eight mechas, each with different attributes. Players can also upgrade their weapons and mecha with parts scavenged from their defeated opponents as they progress through the game.
The game also supports 2 player split screen multiplayer, and up to 4 online through the Nintendo Wi-Fi Connection. It is controlled using the Wii Remote and Nunchuk, and also supports the Wii Balance Board.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』