Bit.Trip Void, marketed as BIT.TRIP VOID, is an arcade-style bullet hell rhythm game developed by Gaijin Games and published by Aksys Games for the Wii's WiiWare download service. It was first released in Japan in 2009, and later in North America and PAL regions in 2009 and 2010, respectively. It was designed by Alex Neuse and Chris Osborn, while the visuals were designed by Mike Roush.