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