12 Hours Museum Achievements Here is the full list of all 9 12 Hours Museum 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 Beginning of the nightmareFirst video game initiated. The real nightmare starts hereFirst conquered video game. The Complete Nightmare UnraveledI found all 45 anomalies. End of nightmareAll seven endings were recovered. Dream WalkerI attacked video games without mistakes. Unforeseen developmentI found a special ending. An everlasting nightmareI spent a long time in a dream. Beyond the nightmare...I found an extra mode. Complete Clarification of the AnomalyI found all 99 anomalies.