Borderlands is a series of action role-playing first-person shooter video games in a space western / science fantasy setting, developed by Gearbox Software for multiple platforms. The series has received critical acclaim and commercial success for its loot-driven multiplayer co-op gameplay and its sense of humor. As of February 2015, some 23 million copies of Borderlands games had been sold. The series consists of three released games, each with multiple downloadable content packs, and one announced game: The original Borderlands, released in 2009, combines traditional first-person shooter gameplay with character-building elements found in role-playing games, leading Gearbox to call the game a "role-playing shooter". Players choose to play as one of four characters; Lilith the Siren, Mordecai the Hunter, Brick the Berserker, and Roland the Soldier, earning experience by killing foes and completing challenges, and skill points to allow character specialization. The character can wield v...