MysteryOS Achievements Here is the full list of all 13 MysteryOS 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 Signal ReceivedComplete the First Contact mission Project EchoComplete the Project Echo mission UnassistedComplete all puzzles without using any hints Fast OperatorFinish with more than 50% of time remaining Clean RunComplete the level on Hardcore difficulty XenolinguistDiscover 10 alien glyphs in the translation journal Edge WalkerTrigger 3 or more near-miss danger warnings Mission CompleteComplete all story missions in AXIOM/1 Don't PanicPlay AXIOM/1 42 times Frequency LockClick the signal widget 10 times Glitch HunterDiscover 4 calculator glitches Note CollectorDrag and arrange 4 sticky notes MysteryOS OGAwarded to early beta testers