The Stairwell Achievements Here is the full list of all 12 The Stairwell 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 Sky HighComplete the game. Higher SkyComplete the game on hard difficulty or higher. Candle LitComplete the game on nightmare difficulty. DetectiveFind all anomalies. Gold BugGet the gold. Green HoursVisit the Green Well. PerfectionistComplete the game on hard or nightmare without making any mistakes. ChallengerTry weekly challenge mode. First PassFind your first anomaly. Good SamaritanRescue Shibosu from The Stairwell. Mind Games CompetitorComplete a weekly challenge.