Prey
A FPS game for the Xbox 360, developed by Venom Games and published by 2K Games.
This game was released on 14th July 2006.
Overview
A groundbreaking first-person shooter, Prey raises the bar and turns the genre upside-down with awesome new gameplay features and next generation graphics. Breaking the traditional first-person shooter format, Prey introduces innovative gameplay elements including wall-walking, portals, spirit-walking and gravity flipping, making it one of the most anticipated games of 2006.