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