Al Paris Games Week again this year, Square Enix showed
Deus Ex: Human Revolution to the public, in a gameplay video of eleven minutes. The video shows different scenes from the second game that Square Enix would last about twenty hours, not counting side quests. In Deus Ex: Human Revolution players will return to play as Adam Jensen, the game, set in 2027, will serve as a sort of prequel to the first chapter. The game should be out by March 2011.
Deus Ex 3: Human Revolution - Gameplay