Merman Jump King Achievements Here is the full list of all 6 Merman Jump King 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 Give it a tryDefeated the first level boss First train rideFirst time taking a train Killed 10 timesKilled by the first boss 10 times Killed 100 timesKilled by the first boss 100 times Killed 1000 timesKilled by the first boss 1000 times you winComplete the game