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