Aksys Games today announced BIT.TRIP BEAT for WiiWare, a game developed by Gaijin Games where players will test their skills as they battle through a retro-esque universe. The game features a unique retro-inspired art style, 8-bit music and 2 or 4 player co-op gameplay. You can check the press release for more details, but it will probably be a better idea to download the trailer.