Thalassophobia Achievements Here is the full list of all 10 Thalassophobia 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 ConstructorBuild your first turret Space oddityYou killed moon beast The harder they fallYou killed giant shoggoth Tesla's apprenticeYou build electric turret Knowledge is powerYou upgraded library to max level Cthulhu R'lyeh wgah'nagl fhtagnYou killed Cthulhu Not so scary anymoreYou killed Dagon Deepstar SevenSend an expedition to an underwater laboratory Ulthar's CatYou get the cat on your ship SeafoodYou ate a drowned one's corpse