Here is the full list of all 41 The Darkest Tales achievements.
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.
Unlock the bow.
Equip your first skill!
Press
Lose during the tutorial.
Hit a wolf key six times without touching the ground.
Complete the first level without skipping any cutscenes.
Explore the cave under the bed.
Stitch up your wounds 42 times.
Use a teleport mirror to go back.
Use the bats as a flying bridge.
Defeat an enemy while hanging from a wall.
Defeat a porcupine tank while it has its shield up.
Dodge 9 lightnings at the last possible moment.
Defeat 9 zombies by offering them some coffee.
Use your bow to defeat a zombie egg.
Cut 33 poisonous apples on the fly!
Listen to the fish woman's entire song.
Defeat all the rubber duck mini-bosses.
Defeat all the phantoms in the castle.
Defeat the bloodthirsty girl.
End your love story.
Defeat Merlin the dragon.
Unlock the swords.
Unlock the shotgun.
Unlock the hunter armor.
Unlock the berserk form.