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