What's Missing? Demo Achievements Here is the full list of all 5 What's Missing? Demo 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 BargainingThere is no way to bring her back (Complete the Planetarium area) Cat killerBurn the cat statue in the fireplace Early bird catches the... appleFind a shortcut in the planetarium Steal my breath awayDie in the planetarium The library is closedAll the books in the planetarium have been burned