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