Up Against Aliens Achievements Here is the full list of all 7 Up Against Aliens achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply Let the adventure beginBeginning the adventure ahead. What's your pin number?Successfully solved the pin pad puzzle. Is that a time machine in your pocket?Acquired the time manipulation device. Like Totally Tubular DudeSuccessfully completed the pipe puzzle. Out of the house into the aliensEscape the house and find yourself among the aliens. You've hit rock bottomFall all the way to the bottom of the level. Mission Complete Aliens DefeatedYou've done, you defeated the aliens and saved... well you defeated the aliens!