Unprompted Achievements Here is the full list of all 23 Unprompted 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 Art loverComplete the Fine Arts Gallery Extremely onlineComplete https:// gallery Child prodigyComplete the Children's Gallery Super intelligentComplete the Illustration Arts Gallery History buffComplete the History Gallery Curiosity killsComplete the Gallery of Curiosities & Wonders Solved.Complete the Puzzle Room General intelligenceComplete all galleries GesamtkunstwerkView full Fine Arts closing ceremony performance piece MystifyView full https:// closing ceremony screen saver loop RockabyeView all Children’s Gallery closing ceremony nursery rhymes 'Spandex and storylines'View all Illustrated Arts Gallery closing ceremony slogans CommemorationView all History Gallery closing ceremony inscriptions Curious mindView all closing ceremony transmissions from the Gallery of Curiosities & Wonders RiddledView all Puzzle Room closing ceremony riddles Not wholly humanView Credits SouvenirBring an item from the gift shop with you Early adopterComplete your first prompt EclecticComplete at least one prompt in every gallery 20Complete 20 prompts 50Complete 50 prompts 200Complete 200 prompts 400Complete 400 prompts