The Backrooms : Last Expedition Achievements Here is the full list of all 3 The Backrooms : Last Expedition 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 Welcome to the BackroomsYour 1st expedition in the backrooms ! You did the parkour game !Too bad, it was not worth it ... SECRET DONUTS !You have found all secret donuts ! Be proud !