Lost In The Backrooms: Day 100 Achievements Here is the full list of all 19 Lost In The Backrooms: Day 100 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 First of many...Escape level 0 in singleplayer That's a lot of doorsUnlock the door and escape level 1 in singleplayer Pipe DreamsEscape level 2 in singleplayer Had fun? =)Escape level FUN in singleplayer RUN FOR YOUR LIFEEscape level ! in singleplayer Walk for your lifeEscape level !-B in singleplayer Finally relaxEnter level 37 in singleplayer A long roadEnter level 69 in singleplayer The endless cityEnter level 11 in singleplayer Courtyard of windowsEnter level 188 in singleplayer The flooded windowsEnter level 188.8 in singleplayer It's not realNoclip to level 0 in singleplayer The deepest poolroomsEnter level 37.1 in singleplayer Is this the end?Enter level the end in singleplayer The staircaseEnter level 9223372036854775807 Bad ending Canon endingAll luck. First time tasting almond waterCrack open an almond water can You cheated.Someone is coming.