Multi-platform acrobatic shooter WET will only be getting a PlayStation 3 release in Japan. The Xbox 360 version has been cancelled.
According to the official announcement "various reasons" have been cited for the cancellation of the Xbox 360 version. In September, both the Xbox 360 and PS3 versions of the game were released in North America.
Xbox 360版『WET』が発売中止 [Famitsu]