Hello Goodbye Achievements Here is the full list of all 23 Hello Goodbye 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 won24Play the game for over 24 hours 26 February 2021 - Add a guideGoodnightUnlock all achievements 26 February 2021 - Add a guideExpert At Work HerePlay the game with all glossary entries having been read 21 February 2021 - Add a guideAlways LearningUse the glossary 21 February 2021 - Add a guideGotta Love Auto-ModePlay the game after changing both auto-mode speed and minimum wait time 21 February 2021 - Add a guideHm, What Should I Pick?Try out all available window resolutions 21 February 2021 - Add a guideI Don't Need Your Help, Game!Play the game with popup messages turned off 21 February 2021 - Add a guideI'm Out Of Save Slots?!Play the game with all save slots used 21 February 2021 - Add a guideThat Day, That Time At That Place...Use the quick jump feature 10 times 21 February 2021 - Add a guideSpilling MemoriesQuick-save more than 10 times 21 February 2021 - Add a guideMephistopheles' SmileClear the minigame 21 February 2021 - Add a guideHello, good-byeFinish all routes 21 February 2021 - Add a guideThe Dwarf in the Flask Saw A DreamFinish Koharu's route 21 February 2021 - Add a guideCitizen of JapanListen until the end of Yukishiro George's second speech 21 February 2021 - Add a guideUncover The UnseenHide the text box once while playing the game 21 February 2021 - Add a guideDon't forget!Unlock additional choices 21 February 2021 - Add a guideCitizen of MorinoListen until the end of Yukishiro George's first speech 21 February 2021 - Add a guideA New StartStart a new game after clearing a route 21 February 2021 - Add a guideHome And PurposeFinish Natsume's route 21 February 2021 - Add a guideRevolutionFinish May's route 21 February 2021 - Add a guideTiny OneFinish Suguri's route 21 February 2021 - Add a guideHello World!Start a new game for the first time 21 February 2021 - Add a guideNameless StoryListen to one full loop of theme song on the title screen 21 February 2021 - Add a guide