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