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