Boo! Achievements Here is the full list of all 6 Boo! 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 wonHappy Halloweencomplete the daily puzzle on Halloween 31 October 2022 - Add a guideHalloscreamcomplete a daily puzzle 5 day streak 24 October 2022 - Add a guideTrick or treatcomplete a daily puzzle 17 October 2022 - Add a guideFangtasticcomplete all 42 levels 17 October 2022 - Add a guideSpooktacularcomplete 25 levels 17 October 2022 - Add a guideBootifulcomplete 5 levels 17 October 2022 - Add a guide