Here is the full list of all 28 Tequila Zombies 3 achievements.
Die 28 times
Kill 25 Zombies Django with chainsaw
Kill the Super Mutant
Collect all VHM issues
Restore 5000 health points total
Kill The Space Hunter
Perform Massacre x100
Kill the Green Beret
Kill 50 enemies using Hawk MM1
Find 13 secrets
Kill the Undertaker
Collect $500 from the coffins
Perform 1000 headshots total
Kill the Hog Rider
Kill 98 enemies with katana
Kill the Chainsaw Juggler
Collect 50 peppers
Kill 50 enemies while in Jeff’s wolfe form
Break wooden door with axe
Collect 50 tequila bottles in one game
Kill the Widow
Kill the Foreman
Have $2 000 in hand
Kill 7 enemies with a single barrel explosion
Freeze 50 enemies
Kill the Rat King
Kill 70 enemies with machete
Kill two enemies