HalloweenTerror Achievements Here is the full list of all 12 HalloweenTerror 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 Zone PensionerYou walked through 999 rooms and you're still smiling. The Long WalkYou reached the end of a long corridor. First Field TripYou survived, even with such a short memory. A Hole in Reality (and the Floor)Gravity was just a suggestion. Trouble on the TracksYou should have had a ticket. Why?Do you really want to know? Whiteout ModeThe graphics decided to take a break. A Fit of NostalgiaDo you hear that jingling? Glitch RaveThe zone really knows how to party. Boo!Now please stop screaming. It's Not Just a BoulderIt's a rock! A beautiful, heavy rock. Achievement AnomalyThis is probably an anomaly!