Oratorio Achievements Here is the full list of all 13 Oratorio 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 VaccinatedDefeat Gozer in Area 1 in Hack Mode. Said the Spider to the FlyDefeat Cocoon in Area 2 in Hack Mode. You Filth!Defeat Goliant in Area 2 in Hack Mode. Flutter FlutterDefeat Vlinder in Area 2 in Hack Mode. Now You See MeDefeat Mestus in Area 3 in Hack Mode. Ahab’s RevengeDefeat Valsang in Area 3 in Hack Mode. Not the Immortal KindDefeat Nomura in Area 3 in Hack Mode. Fish On!Defeat Yasashi in Area 4 in Hack Mode. Femme PetalDefeat Hanabira in Area 4 in Hack Mode. Open the Gates and Seize the DayDefeat Janus in Area 5 in Hack Mode. Hack this!Finish the game on Hack Mode. Nothing is EndlessFind the end of Endless Mode. What Did It Cost You?Achieve the Target Score in Every Area and Finish Endless Mode