SMACKHEAD Achievements Here is the full list of all 3 SMACKHEAD 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 You completed SMACKHEAD only in easy mode!!!Complete all levels of SMACKHEAD in the easy mode. You have completed SMACKHEAD!!!Complete all levels of SMACKHEAD in the hard mode. SlayerKill 20 enemies.