Here is the full list of all 46 BIOMUTANT achievements.
Unlock all Melee Weapon Proficiency Skills
Defeat All four World Eaters
Pull all Teeth from the Hoof Puff
Find out what’s at the End of a Rainbow
Discover a Twinkle Crashsite
Discover all 16 Side Characters
Discover all 7 Environment Biomes
Buy an Item from Honki
Feed the Murk Puff 10 Guppos
Capture 20 Guppos
Capture 20 Glittermoths
Feed the Jumbo Puff World Eater 6 Sqvips
Complete all 20 Conscience Dialogues
Defeat or Subdue all five Rival Tribe Leaders
Discover all 6 Tribe Forts
Capture 20 Gumducks
Detonate 3 Bangballs on the Porky Puff
Discover all 30 Altars
Unlock all Gun Proficiency Skills
Defeat 25 Bandits
Capture 20 Pippis
Discover and enter 3 Manholes
Defeat Enemies using 3 Different Tribe Weapons
Take over 6 Tribe Outposts
Discover all 15 Old World Gadgets
Win a Drinking Competition against Gulp
Defeat 50 Enemies using Super Wushu
Defeat 20 Enemies using the Ki-Spark Ability
Drown 5 Enemies in Oil during Combat
Capture 20 Sqvips
Survive 5 minutes in the Mekton while in the Deadzone
Find and Equip 5 Different Mekton Upgrades
Stick 25 enemies to the Mucus Bubble
Ride the Googlide across all Water Resistance Levels
Reach Level 25 with any Character Class
Re-code your DNA at a Cooling Tower Biopool
Bounce 50 times on a Fungus
Upgrade any 2 Attributes to 100
Craft a 7 Star Weapon
Unlock all Automaton Upgrades
Find and Equip 5 Different Googlide Upgrades
Ride a Gnaut 500 meters
Deal more than 1000 Damage in a Single Hit
Obtain 10 of each Crafting Resource
Possess more than 1000 Greenleaf
Escape Bunker 101