Boo! Achievements Here is the full list of all 6 Boo! achievements.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 Bootifulcomplete 5 levels Spooktacularcomplete 25 levels Fangtasticcomplete all 42 levels Trick or treatcomplete a daily puzzle Halloscreamcomplete a daily puzzle 5 day streak Happy Halloweencomplete the daily puzzle on Halloween