Full list of all 36 Adventure Time: Pirates of the Enchiridion achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Beat the Fire Giant in battle.
Beat the Mother Varmint in battle.
Overskronk 4 enemies in a single battle.
Open 15 treasure chests.
Inflict more than 1 bunk effect on to a single enemy.
Use BMO's "Analyze.exe".
Free the caged Mushroom people.
Unlock a gate with BMO.
Beat Fern in battle.
Beat 50 enemies in battle.
Win your first fight against a higher level enemy.
Buy your first item from the shop.
Revive a hero.
Destroy 10 Sea destructibles.
Fish out 25 items from the sea.
Destroy 250 land destructibles.
Use a pirate lookout.
Complete your first side quest.
Destroy 50 land destructibles.
Win your first sea battle.
Pass the first Interrogation.
Get Finn to level 10.
Get Jake to level 10.
Get Marceline to level 10.
Get BMO to level 10.
Fall in to water more than 10 times.
Dock at all the islands.
Use all the pirate lookouts.
Light all the braziers in the Fire Kingdom.
Pull the plug!
Beat Uncle Gumbald in battle.
Find Shelby the snail.
Complete all side quests.
Restore light to the treasure tree.
Take all the penguins to the tree house.
Collect all other achievements.