Oneons: Prisoners Achievements Here is the full list of all 6 Oneons: Prisoners 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 VictoryComplete the game Demolition ManDestroy 10 Items Hive MindRescue 10 Oneons MeticulousCompletely explore five floors PersistentDie 9 times PyromaniacKill a monster using only fire