The Nightmare Journey Achievements Here is the full list of all 8 The Nightmare Journey 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 IMMORTALComplete the entire nightmare journey without dying once. FAST GAMEBeat the game in less than 5 hours. THE BEST OBSERVERAssemble the puzzle in less than 3 minutes. THE SILENTDefeat the Sleep Monster without dying once. WASTE COLLECTORDefeat the Dumpster Monster without dying OVERCOME YOUR NIGHTMARESComplete the game! THE MARINEDefeat your biggest nightmare just using the machine gun. WITCH DESTRUCTORDefeat the Alzheimer's Wizard without dying