Only High Achievements Here is the full list of all 12 Only High 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 Sixth KeyFind a secret plush in Whale Transit. Appreciator Level 1Find the best view in Underground Labs. First KeyFind a secret plush in Underground Labs. Second KeyFind a secret plush in Edge City. ProducerFind a secret producer room in Edge City. Third KeyFind a secret plush in Techno City Part 1. Fourth KeyFind a secret plush in Techno City Part 2. Fifth KeyFind a secret plush in Hang City. Game of SquidsFind a lost technology in Hang City. Seventh KeyFind a secret plush in High City. Eighth KeyFind a secret plush in The Office. Ninth KeyFind a secret plush in The Tree.