Alien Hominid is an independently developed side-scrolling shoot 'em up video game developed by The Behemoth. The game was developed from a Flash game originally released on Newgrounds in August 2002. O3 Entertainment released the game for PlayStation 2 and Nintendo GameCube in North America in 2004, whilst ZOO Digital Publishing released the game in Europe for PlayStation 2 and Xbox in 2005. A port for the Game Boy Advance, co-developed by Tuna Technologies, was also released in Europe in 2005. A high-definition version titled Alien Hominid HD was released for Xbox Live Arcade on February 28, 2007.