In fact, aside from a few anomalies during the boss battles, the player can progress through the thrilling futuristic storyline without killing a single enemy. The gameplay of “Deus Ex: Human Revolution” is completely up to player choice. Soon after, the security turrets guarding the room’s exits are turned on their former controllers, allowing the protagonist to walk over their lifeless bodies without firing a single shot.Īnd yet, the player could have just as easily aimed two shots from a 10mm pistol at nearby guards, proceeded to dismember a third with a melee sword attack, and finally finished off the fourth with a lethal frag grenade. After two minutes of learning their walking patterns, he makes his move, swiftly sneaking into a vacant room with a security terminal. Adam Jensen’s cybernetically enhanced eyes scan the room for patrolling enemies.