Here is the full list of all 31 The Forest of Doom achievements.
Find all the artwork in The Forest of Doom
Wield a carrot as a deadly weapon
Be fired upon by arrows in four different encounters
Find the ultimate ending in Free Read mode
Find all the painted canvas pieces to unlock alternative cover
Reveal the truth about an individual
Find your new destiny
Return a brass bell to its owner
Find the ultimate ending in Medium mode
Face a barrage of eggshell splinters
Successfully use the Net of Entanglement
Eat a strange fruit
Release an Earth Elemental on to the world
Buy all of Yaztromo's items
Fight a creature that has been darted
Fight a feline foe
Suffer at the hands of lycanthropy
Help two souls out but be duped each time
Ride a strange looking horse
Kill a creature who hates 'bwight light'
Use an aromatic bulb to ward off a night terror
Tame a flying beast with music
Bounce your way out of trouble
Fight the iconic Shapechanger!
Find the ultimate ending in Hardcore mode
Escape Darkwood Forest!
Find the two halves of the dwarfish hammer
Win an arm-wrestling contest
Get caught in an Ogre's tree trap
Be unlucky in a 'Test your Luck' roll
Be lucky in a 'Test your Luck' roll