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 The Abandoned Buildings.
Complete Greenbridge Park.
Defeat 10 enemies with any melee weapon.
Defeat 10 enemies with any throwable object.
Obtain 5 yellow consumables.
Obtain 5 blue consumables.
Complete Riverside.
Complete The Old Subway.
Complete The Sewer Network.
Complete Codex Entertainment.
Complete Feller Corp.
Defeat 10 enemies with any firearm.
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.