Here is the full list of all 59 Brutal Legend achievements. It takes around 35-40 hours to unlock all of the achievements on Windows.
Play with or against another player who has this Achievement
Spend 250,000 fans - any mode
Win 50 match-made multiplayer battles.
Win 10 games on Hammer of Infinite Fate maps - ranked or vs. the Brütal AI.
Win 10 match-made multiplayer battles.
Win a ranked multiplayer match
Kill 20 enemies with one Bleeding Death
Hit 15 enemies with one Agony Ball using the Pain Lifter's Double Team
Win an AI stage battle - Brütal difficulty
Complete Campaign mode on Normal
Complete Campaign mode on Brütal
Hit 6 enemies with the explosion from a Brood's Double Team
Win an AI stage battle - any difficulty
Win a single-player Stage Battle against the AI using only orders
Achieve 100% completion on the stats screen
Double Team with every Tainted Coil unit
Play a multiplayer game on all Hammer of Infinite Fate multiplayer maps.
Double Team with every Drowning Doom unit
Kill 25 enemies with the grinder of one Rock Crusher
Complete all hunting secondary missions
Unlock all songs in the Mouth of Metal
Free all 120 Bound Serpents
View all vistas
View all Legends
Purchase all upgrades in the Motor Forge
Summon all Motor Forges
Visit the grave of a fallen hero while wearing the Black Metal Threads.
Ride a Razorfire Boar into the Sea of Black Tears and live to tell the tale.
Make out with Ophelia while wearing the Mountain Man Threads.
Complete Campaign mode on Gentle
Complete "Sea of Black Tears"
Trap 15 enemies in one ring of fire with the Fire Baron's Double Team
Kill 15 enemies with a Metal Beast while wearing the Zaulia Threads.
Complete "Dry Ice, Wet Graves"
Learn all guitar solos
Free 80 Bound Serpents
Ride one of every ridable animal.
Complete all racing secondary missions
Kill 20 Drowning Doom units with the Eye of Sorrow.
Chisel four Razputin heads onto Mt. Rockmore.
Complete 20 ambush, outpost defense, or mortar secondary missions
Run down 20 animals in the Deuce with the Coiling Maw equipped.
Kill 20 Tainted Coil units with the Disgorger.
Jump over a Hextadon in the Deuce
Double Team with every Ironheade unit
Complete "It's Raining Death"
Slay 150 enemies with the Deuce - any mode
Acquire 3,000 Fire Tributes
Personally smote 300 enemies - any mode
Complete "Sanctuary of Sin"
Kill a Tollusk using only Ground Urchins
Free 40 Bound Serpents
Complete "Pilgrimage of Screams"
Gain 5 or more seconds of hang time in a single jump - any mode
Complete "Battle for Bladehenge"
Complete "Lair of the Metal Queen"
Complete "Exploited in the Bowels of Hell"
Purchase 1 upgrade in the Motor Forge
Complete "Welcome to the Age of Metal"