Door4:Ultimatum Achievements Here is the full list of all 9 Door4:Ultimatum 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 Tutorial DoorTutorial zone has been completed LockedMain GateYou have opened the Main Gate LockedChess DoorYou have opened the Chess Door LockedSymbols DoorYou have opened the Symbols Door LockedCastle DoorYou have opened the Castle Door LockedFirst SecretYou found the first mystery puzzle piece LockedAll SecretsYou found all mysterious pieces of the puzzle LockedAll Puzzle PiecesYou found all pieces of the puzzle LockedHappy EndYou have completed the game. Locked