Treehouse Riddle Achievements Here is the full list of all 10 Treehouse Riddle achievements.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 wonOpening Your HeartClear Chapter 1 22 August 2022 - Add a guideTreehouse RiddleComplete all achievements in Treehouse Riddle Locked - Add a guideRecoveryClear Chapter 2 Locked - Add a guideSeasonsClear Chapter 3 Locked - Add a guideRemembranceClear Chapter 4 Locked - Add a guideJust PracticeClear Extra Chapter 1 Locked - Add a guideBest of ThreeClear Extra Chapter 2 Locked - Add a guideCrocodile TearsClear Extra Chapter 3 Locked - Add a guidePresentClear Extra Chapter 4 Locked - Add a guideTurbo GrandpaClear the final puzzle of Extra mode after telling Grandpa to go all out against you Locked - Add a guide