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