Bad Cop!
Pass the first Interrogation.
Mathematical!
Win your first fight against a higher level enemy.
This is Bunk
Inflict more than 1 bunk effect on to a single enemy.
Fresh Produce
Buy your first item from the shop.
Smash Up
Destroy 50 land destructibles.
Super Smash Up
Destroy 250 land destructibles.
Floating Smash Up
Destroy 10 Sea destructibles.
Snagged it!
Fish out 25 items from the sea.
Dosh Ahoy
Open 15 treasure chests.
Hero Finn
Get Finn to level 10.
Hero Jake
Get Jake to level 10.
Hero Marceline
Get Marceline to level 10.
Hero BMO
Get BMO to level 10.
Muffin Man
Revive a hero.
Spill Your Guts
Helping time!
Complete your first side quest.
Raise The Flag
Use a pirate lookout.
Science Stuff
Land Lubbers
Hero Time
Shiver Me Timbers
Win your first sea battle.
Explorer of Ooo
Dock at all the islands.
Avast Ye Matey!
Use all the pirate lookouts.
The Bigger they are
Cool it!
Grass Cutter
Quadrilateral!
Overskronk 4 enemies in a single battle.
Algebraic!
Beat 50 enemies in battle.
Light 'em up
Bath Time
Pull the plug!
Sweet Victory
Found Him!
Find the snail.
Super Helper
Complete all side quests.
Flaming Goodness
Restore light to the treasure tree.
Now Stay Put!
Take all the penguins to the tree house.
Pirates of the Enchiridion
Collect all other achievements.