The game is a first-person computer and video game developed by Ion Storm Inc. and published by Eidos Interactive. Released simultaneously for Windows and the Xbox video game console on December 2, 2003,the game is a sequel to the critically acclaimed Deus Ex.

Twenty years later, the story continues, in a corrupted future in which terrorism is a plague, lots of religious groups and political groups see a clear opportunity to change the world. You are Alex D, a clone trained by a governmental organization. Your mission is to discover the secrets of each clan, understand your origins and the place you have in the game.

Don't trust anyone and make your choices...
Like its predecessor Deus Ex, Invisible War is a first-person game, playing from a character's eye view in a 3D environment. The game combines gameplay mechanics from multiple game genres, including stealth, role-playing and first-person shooter.