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