Welcome to The Trigger, the fifth add-on content pack for Alien: Isolation. Can you make Sevastopol safe? You’ve been given a box of explosives and the locations to set them. All you need to do now is pull the trigger… and stay alive. Features Features three all-new Survivor Mode maps. Can you survive and get the highest score? Play as Ricardo and learn the truth behind the explosives on board Sevastopol. Avoid security alarms, take on Working Joes and above all, survive the Alien.