Corporate Lockdown is a singleplayer expansion for Alien: Isolation and was the third piece of DLC for the game. Corporate Lockdown allows players to play as Seegson executive B. Ransome as he attempts to escape from Sevastopol Station. The DLC was made available on October 28, 2014. It features three maps: "Severance", "Scorched Earth" and "Loose Ends". Corporate Lockdown also includes a new "Gauntlet Mode", which challenges players to complete all three missions back-to-back without dying.