Here is the full list of all 23 Mayhem Triple achievements.
Kill 5,359.4 enemies.
Unlock every tontine treasure.
Get Georgia Close's number. You creep.
Find the hidden magnums in the "House of Cards" chapter.
Discover the secret to defeating the bunny threat and save the world.
Kill 10 enemies with a single sawblade.
Buy every available health upgrade and weapon holster.
Save every hostage in the game.
Find the hidden greasegun in the "Prologue" chapter.
Taze a crotch rocket.
Finish the game without health upgrades.
Cause 20 enemies to be destroyed by testicle bombs.
Permanently kill the birthed alpha bunny.
Find the hidden Face-Trapper in the "Adobe Acrobat" chapter.
Score a perfect 10 in death.
Stake 30 bunnies to a wall.
Just beat it!
Find a better way to kill a mech.
Destroy the helicopter in a special way.
Save a hostage.
Decapitate The Dire Bunny.
Kill a bunny in midair while diving and holding 2 weapons.
Walk Outside!