Here is the full list of all 41 The Darkest Tales achievements.
Unlock the berserk form.
Defeat Merlin the dragon.
Defeat all the phantoms in the castle.
Unlock the shotgun.
Defeat 9 zombies by offering them some coffee.
Dodge 9 lightnings at the last possible moment.
Defeat a porcupine tank while it has its shield up.
End your love story.
Unlock the greatsword.
Unlock the knight armor.
Leave the fish woman speechless.
Unlock the harpoon.
Defeat SCIENCE!
Stop and fight during the speed test.
Unlock the spear.
Fulfill all the Jinn's wishes.
Defeat the kid who wouldn't grow up.
Unlock the boomerang.
Defeat the pirate captain and her crew.
Defeat the fairy queen.
Unlock the axe.
Unlock the pirate suit.
Run away from the king and his giant wife.
Use your bow to defeat a zombie egg.
Unlock the bow.
Use a teleport mirror to go back.
Defeat the bloodthirsty girl.
Equip your first skill!
Explore the cave under the bed.
Use the bats as a flying bridge.
Unlock the swords.
Press
Unlock the hunter armor.
Lose during the tutorial.
Hit a wolf key six times without touching the ground.
Complete the first level without skipping any cutscenes.
Stitch up your wounds 42 times.
Defeat an enemy while hanging from a wall.
Cut 33 poisonous apples on the fly!
Listen to the fish woman's entire song.
Defeat all the rubber duck mini-bosses.