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