Full list of all 31 Mayhem Brawler achievements.
The base game contains 26 achievements, and there is 1 DLC pack containing 5 achievements.
Complete The Old Docks.
Complete Chainfield.
Complete Riverside.
Complete The Abandoned Buildings.
Complete Greenbridge Park.
Complete The Old Subway.
Complete The Sewer Network.
Complete Codex Entertainment.
Complete Feller Corp.
Defeat 10 enemies with any firearm.
Defeat 10 enemies with any melee weapon.
Defeat 10 enemies with any throwable object.
Obtain 5 yellow consumables.
Obtain 5 blue consumables.
Complete 7 different levels with Dolphin.
Complete 7 different levels with Star.
Complete 7 different levels with Trouble.
Fight the people with orange jumpsuits.
Fight the people with uniforms.
Fight the people without tombstones.
Block 3 catch attacks.
Complete the game without fighting any spellcaster.
Complete the game in Arcade mode.
Complete a section without taking any damage.
Perform an Ultimate Combo.
Complete all 3 alternative endings.