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