Dues Ex: Human Revolution is an action role-playing video game that was first released in August 2011. It is the third title in the Dues Ex series of games. The game takes place in 2027 and players control Adam Jensen, a security director in a biotechnology firm. There are four game modes: Social, Hacking, Stealth, and Combat. Players are free to switch between game modes during the course of the game. Adam Jensen has some technical modifications to the body and players can increase the character’s skills by distributing skill points, which can be acquired several ways in the game. Players can choose how the character evolves by increasing the skill points.
There are missions to complete in the game in order to progress through the story. Some missions include shooting opponents, programming robots, getting crucial information, and more. Players are given choices that will affect the outcome of the game. Players can also go through the game without killing enemies, except in boss levels. Players who finish the game without killing NPCs (Non-player Characters) are awarded the Pacifist achievement. There are 49 achievements/trophies to complete in the game.
In 2011, a downloadable content pack for the game entitled The Missing Link was released. The pack adds 5 hours to the gameplay.