CheatCodes.com has the complete list of all Up Achievements and Gamerscores for Xbox 360, including all secret Achievements. All official Xbox 360 achievements for Up as of Monday December 9, 2013 are shown below, or you can print out our Printable Achievements Checklist that shows all Up Achievements and Gamerscores in a simple quick-reference format.
Defeat the first wave of combat planes.
Complete the level to start Carl's journey to Paradise Falls.
Find Kevin before Muntz does.
Defeat the giant Anaconda.
Find the voice in the mist.
Meet the pack: Alpha, Beta, and Gamma.
Avoid being captured by Muntz's dogs.
Defeat the giant Crocodile.
Help Carl get his house to the top of Paradise Falls.
Free Russell and Kevin, then escape the Dirigible.
Defeat Muntz's canine squadron in the skies above Paradise Falls.
Defeat either the giant Anaconda or Crocodile with 2 players.
Defeat the first plane in the battle over Paradise Falls.
Unlock the Bonus Art.
Use Russell's Canteen three times.
Catch or squash 100 Dio Bugs or Butterflies.
Locate Kevin for the first time.
Successfully defend against 10 dog ambushes.
Survive against the hungry Piranhas.
Make sure to put out your campfire.
Find the picture-perfect view of Paradise Falls.
Collect all varieties of each Butterfly and Dio Bug in the game.
Break open 10 watermelons.
Use Carl's House to float across all the chasms in the game.
Use Russell's key to cut through three items in the game.
Tie off the house so it doesn't float away.
Use Russell's Bugle three times.
Play through any previously completed level in Story Mode.
Dig up all of the hidden bones using Dug.
Swim through all of the areas that have water.
Complete any Story Mode level without failing or quitting.
Find and collect all of the Artifacts.
Collect all of Carl's Mementos.
Collect 6000 Merit Badges in the game to become the Merit Badge Champion.
Free your buddy from five Snare Traps.
Break apart 500 objects.
Squish 10 Wasps and Spiders.
Unlock the extra Multiplayer Combat Maps.
Complete all of the Quest Cards for a special badge.