The Upside Down Achievements Here is the full list of all 9 The Upside Down 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 The Upside Down!Welcome to the game! Chief Hopsin & CIA Agent BrendarRaising Suspicion Wankings National LaboratoryTop Secret Laboratory located in Wankings, Indiana Holy Hell!Portal to the Upside Down! First step in the Upside DownFirst step for me, but biggest step for the "Black Sky" I.. Can't.. Breathe..Running low on Oxygen! Fuel Up!Thank God fuel regenerates! First Shot!I have to say, this weapon is powerful! Artifact Collected!First one but sure not the last one!