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