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