Gwan Moon High School : The Ghost Gate Achievements Here is the full list of all 20 Gwan Moon High School : The Ghost Gate 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 Into the Gwan MoonIt is midnight, the ghost gate has opened. Dragged Into Their WorldYou will be one of them. Search!Finished the "Search" stage tutorial. Trapped?!No getting out now. EncounterThe two groups come face-to-face. SeparationAnd so they were scattered. ReunionMembers of each group found their way back to one another. SkeinPrincess Ariadne gave Prince Theseus a skein of thread. The Beginning Of EverythingThis is how everything came to be. RescueFinally, they were able to save their friend. An Iron WillI'll definitely be the one to save Ji Hee. EscapeThe longest night they have ever experienced is finally over. ReminiscencesFinished all the side episodes. No More ChoicesSaw each and every choice and dead end. Completed the AlbumGathered all the Event CGs. Completed the Student RecordsCollected all the Characters Information. It's still old, but...Found all the diary pages. Studious!Wrote everything down in Ha Rin's Notebook. Put the Puzzle TogetherWitnessed all the dead ends. And Their Lives Go OnSaw all the After Stories and Another Story.