Odessa Achievements Here is the full list of all 11 Odessa 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 KIDNAPPED ODESSA FINALLY SAFE MYSTERY ROOM 1MYSTERY ROOM 1 MYSTERY ROOM 2MYSTERY ROOM 2 MYSTERY ROOM 3MYSTERY ROOM 3 MYSTERY ROOM 4MYSTERY ROOM 4 MYSTERY ROOM 5MYSTERY ROOM 5 MYSTERY ROOM 6MYSTERY ROOM 6 MYSTERY ROOM 7MYSTERY ROOM 7 MYSTERY ROOM 8MYSTERY ROOM 8