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