Eternal Threads Achievements Here is the full list of all 10 Eternal Threads achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort by Won first then 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 AllWonNot wonAvid ReaderRead all letters in the house. 05 March 2026 - Add a guideGood ListenerListen to voicemails for all six housemates. 05 March 2026 - Add a guideInvestigatorWitness every possible event across all the different timelines. 05 March 2026 - Add a guideMorbidly CuriousWatch all possible death scenes across all the possible time lines. 05 March 2026 - Add a guideRighter of WrongsSave all six housemates while also resolving their personal issues. 05 March 2026 - Add a guideBeam Me Up ScottyReceive a final revelation. 05 March 2026 - Add a guideSaviourSave all six housemates. 05 March 2026 - Add a guideSecrets OutWatch all the housemates reveal their secrets. 04 March 2026 - Add a guideLocksmithOpen all four locked doors in the house. 04 March 2026 - Add a guideRescuerSave one housemate. 04 March 2026 - Add a guide