Unheard Achievements Here is the full list of all 12 Unheard achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.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 Flag Filter All None 12 Offline Mode 12 Single Player 10 Missable Link flagsOR joinAND join Achievements without any flags (1) What are achievement flags? Click to find outApply Delusion Auditory Hallucination Hide adsAmnesia Sound ChaserChecked each room in the five maps. TwinsPassed the first test without fast-forwarding and rewinding the audio or using the progress bar. Empty FramePassed the second test without fast-forwarding and rewinding the audio or using the progress bar. RavenPassed the third test without fast-forwarding and rewinding the audio or using the progress bar. TheaterPassed the fourth test without fast-forwarding and rewinding the audio or using the progress bar. Mental HospitalPassed the fifth test without fast-forwarding and rewinding the audio or using the progress bar. Sole AudienceListened to Emily humming a snatch of a song from end to end. 1 guideDirector NEXT Case