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