GALAXY MONSTER Achievements Here is the full list of all 5 GALAXY MONSTER 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 BOSS 1DEAD BOSS 2DEAD BOSS 3DEAD BOSS 4DEAD BOSS 5DEAD