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