3DRealms announced that a demo for Prey, the upcoming FPS in the works at Human Head Studios, will be released on June 22nd for PC as well as via Xbox Live. It will be a 5 level demo containing both single player and multiplayer modes of the game. In related news, the official 3DRealms website is hosting a new weekly update focusing on what happened with Human Head and Prey at E3 2006. Powered by the Doom III engine, Prey will include support for Even Balance’s PunkBuster anti-Cheat software and is expected to be released on July 10th, for PC and Xbox 360. The E3 2006 trailer is locally mirrored here.