Headbangers in Holiday Hell Achievements Here is the full list of all 34 Headbangers in Holiday Hell 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 He was an angry elfKill an elf No stealing this yearKill a grinch ElfmaggedonKill 250 enemies Where's your Christmas spirit?Kill 1000 enemies Rex approvedKill 50 enemies with waterpistol Painting the town redKill 50 enemies with paintball gun Match PointKill 50 enemies with tennisball gun Nailed itKill 50 enemies with nailgun Smells like burnt turkeyKill 50 enemies with flamethrower Happy New Year!Kill 50 enemies with fireworks stick Killer tunesKill 50 enemies with vinyl disc Rescue serviceSave 100 hostages DeterminedComplete 100 stages The HeadbangerHeadbutt 50 enemies Ringing in their earsGuitar-smack 50 enemies Break PointKill 5 enemies with bounced tennis ball Team-building exerciseKill 3 enemies with single explosion You're in naughty listDestroy 666 presents Give me more firepower!Unlock a new weapon Packing a punchUpgrade a weapon Maximum firepowerMax out all main weapons These go to 11Max out all overdrive weapons Helping handMax out all boosters Video killed the Christmas starKill 25 enemies watching TV BuzzingElectrocute 25 enemies Bird or a plane?Blow up 25 enemies Naughty-list approvedKill 25 naughty elves No more eggnogDefeat possessed reindeer Ghost of Christmas PastDefeat ghost reindeer Ho ho die!Defeat Santa UntouchableComplete stage without getting hit ScroogeHave credit 10,000 available at once Behind youBlow up distracted elf Alice in Chain-reactionKill elf with chain reaction