Worst Nightmare Achievements Here is the full list of all 10 Worst Nightmare 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 DungeonGo into dungeon TorchFind a torch Shit breakFind zombie when shit HospitalEnter in the hospital CaveEnter in cave CityReach into city CastleReach into castle FinishFinish the game Alien watching TVFind alien when watching tv Gotcha