Zero Stress King: Idle Defense Achievements Here is the full list of all 12 Zero Stress King: Idle Defense 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 Friendship is magic!Restart the game with a new friend We should make a warning sign thereGet your 1st lava kill The floor is lavaGet 100 lava kills In numbers, I excel!Use stats view Work work.Build a monument Hello, neighbor!Beat the 1st boss fight Butterfly DefectBeat the 2nd boss fight one kilokill of lavaGet 1000 lava kills Green Means GoBeat the 3rd boss fight Rock Solid VictoryBeat the 4th boss fight Dead EndBeat the 5th boss fight Hell of a WinBeat the 6th boss fight and complete the game