Dere Quartet Achievements Here is the full list of all 25 Dere Quartet achievements. It takes around 0-1 hour 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 What are achievement flags? Click to find outApply The StartStart the story DekikoSit next to Dekiko SSS Mission #1Begin the first SSS mission Mission accomplishedFinish the first SSS mission The DanceDance through the night SSS Mission #2More missions My little cupid!Good ending with Dekiko KurumiSit next to Kurumi The pink umbrellaShare an umbrella The smileMake her smile The LaughterMake her laugh Now and forever!Good ending with Kurumi TsunekoSit next to Tsuneko Top of the schoolHave a date on the roof Holding handsHold her hand Cute bearWin a bear for her My favorite tsundere!Good ending with Tsuneko YankoSit next to Yanko Sweet blushesMake her blush Red dreamsSee the magical red dress ShogiPlay shogi with her PoemGet a poem from her Burning flameWatch her losing it Hearts burning hot!Good(?) ending with Yanko You're HimmelSuccessfully participate in the survey