(This article is about the video game series. For the first game in the series, see Army of Two. For other uses, see Army of Two (disambiguation).) Army of Two is a third-person shooter video game series developed by EA Montreal. The first game in the series was released on March 6, 2008 for the Xbox 360 and PlayStation 3 consoles. Focusing on cooperative strategies, Army of Two's main feature is the necessity to use coordinated teamwork to accomplish the game's goals. While the game is meant to be played with another human as a partner, a "Partner Artificial Intelligence" (PAI) is also included and programmed to follow the player's strategies. Dependence on a partner (whether human or PAI) is so pronounced that most objectives are impossible to complete without it. A sequel, Army of Two: