Hidden Skulls Achievements Here is the full list of all 20 Hidden Skulls 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 Your first skullFind the first skull Five skullsFind 5 skulls Ten skullsFind 10 skulls Twenty-five skullsFind 25 skulls Fifty skullsFind 50 skulls One hundred skullsFind 100 skulls Fun confrontationFind all the skulls near the fun confrontation monsters Lonely ghostFind all the skulls near the lonely ghost The six-eyed guardFind all the skulls near the six-eyed guard An all-seeing elderFind all the skulls near the all-seeing elder A two-tailed spirit of cunningFind all the skulls near two-tailed spirit of cunning The Dragon JailerFind all the skulls near the dragon jailer It's watching everyoneFind all the skulls near the all-seeing eye Come in, they don't biteFind all the skulls near sharp-toothed roses The face thiefFind all the skulls near the face thief The hut on a chicken legFind all the skulls near the hut on a chicken leg ScarecrowFind all the skulls near the scarecrow Grim reaperFind all the skulls near the grim reaper The nest with eggsFind all the skulls near the nest with eggs Thanks for playingYou have passed the game