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