Here is the full list of all 32 BLACKTAIL achievements.
Free all the rats
Kick a shroomy back into its lair.
Defeat every fightable mushroom
Complete the game
Put all the Lost and Found on the shelf
Learn all the skill recipes
Finish all the side quests
See all the spider logs
Find the Mushroom Sanctuary
Find every Totem
Learn all the Gnowlledge
Open every Warden chest
Kiss all the toads and take them to the Yard
Brew every skill of a single Hex type
Earn the Favorite title
Earn the Queen title
Trick the bees
Discover quite a few rose secrets
Fish out a few fish
Turn a blue Vodnik green
Befriend either Ant Queen or Mr. Larva
Be either as good or as evil as possible
Earn either the Ornithologist or the Beekeeper title
Hunt down a Golden Imp
Hear a great lot of bobok gossip
Poison the hedgehog
Brew every Special Treat
Squat many times
Collect 32 Teeth
Collect 20 Teeth
Accept Boruta's deal
Smash many Root-infested vessels