Full list of all 31 The Adventure Pals achievements worth 1,000 gamerscore. It takes around 10-12 hours to unlock all of the achievements on Xbox One.
Make your first pal.
Collect your first cupcake
Level up your abilities for the first time
Complete your first objective
Make it to the second island
You've used your nine, but don't give up
Defeat all the Arenas
Start a two player co-op game.
Complete a stage in less than 3 minutes
Collect 10 cupcakes
Use the Cupcake Convertor
Vanquish 10 enemies
Use a Weapon Mod
Kill 20 yaks on the world map
Defeat Treefist
Defeat The Breakfast Buccaneer
Defeat The Veggiesaur
Defeat Mr B's Crab mech
Defeat Mr B's Hot Dog Monster
Give the whale the old mans underwear
Release 50 old people from hotdogs
Kill an enemy that's been turned in to a bunny
Find 50% of the stickers
Beat an arena
Giraffe-copter for 5 minutes in total
kill 100 enemies by jumping on their heads
Get all achievements
Unlock all costumes
Fully Level Up
Finish The Game
Fill up your sticker book