Monsters Attack Achievements Here is the full list of all 10 Monsters Attack 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 Tiny GrasshopperKill 100 enemies Crying AssassinKill 500 enemies Cold Blooded KillerKill 2500 enemies RuthlessKill 5000 enemies The machine for the killingKill 10,000 enemies Armed and DangerousBuy 5 weapons The cityComplete level-City MouseComplete level Bunker WorkingComplete level Outpost RecruitKill 10 enemies