Square Head Zombies 2 - FPS Game Achievements Here is the full list of all 4 Square Head Zombies 2 - FPS Game 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 Finish Level 5Finish Level 5 Finish Level 10Finish Level 10 Much timePlay the game for 1 hour No damageFinish a level without being hit