Here is the full list of all 46 Sackboy: A Big Adventure achievements.
Pick up and throw 30 of Vex's minions to their doom.
In multiplayer, clobber one of your chums as the champ.
Create your own custom Emote in Zom Zom's shop then show the world.
Collect all the stickers in a single World.
Save a custom-made costume to your Wardrobe.
Find all of Gerald's secret spots.
Find and pick up every fish, paintbrush and cocktail umbrella on your journey.
Pick up, and hold on to, a Boomblebee Hive for 60 seconds.
Stun 30 of Vex's minions.
Complete Highs and Glows... without throwing the Whirltool.
In multiplayer, get gold in any Knitted Knight Trial while carrying another Sackperson.
In multiplayer, high five with a friend.
Defeated Vex, destroyed the Topsy Turver and saved Craftworld!
Team up to take down the Topsy Turver.
Triumphed over the vile Vex at the very centre of Craftworld.
Cleaned up N.A.O.M.I's code.
Defeated the Bringer of Nightmares at the bottom of the ocean.
Earn Gold on the scoreboard in 50 different levels!
In multiplayer, snag the most Collectabells in a level 20 times.
In multiplayer, start a dance party with your friends.
Ace 30 levels by completing them without dying.
In multiplayer, get the top score on the scoreboard 20 times.
Cleared the Colossal Canopy of its pest problem.
Defeat 30 of Vex's minions by bouncing on them.
In multiplayer, save your fallen friends from certain doom!
Over the course of your adventure, collect 3000 points while sliding.
Defeat multiple minions simultaneously 10 times.
Defeat 30 of Vex's minions from a distance.
While in the air, perform four actions before touching the ground.
In multiplayer mode, earn 10 Ace level goals.
Faced off against the Master of the Uproar on the Soaring Summit.
Achieve all the level goals for 10 different levels.
Earn a Gold rank in any Remix level.
Earn a Gold rank in any Knitted Knight Trial.
Discover the Trials of the Knitted Knights.
Fill your wardrobe with 300 costume pieces.
Collect a full chain of Timed Score Bubbles 30 times.
In multiplayer, complete a Teamwork Level.
In multiplayer, snatch an item from the clutches of another player.
Get a golden level badge by completing all the Level Goals for a single level.
Simultaneously slap each other.
Complete your first Costume.
Pushed back the Uproar for the first time.
Even Scarlet didn't get all the achievements, you're truly a Knitted Knight of legend.
Show off what you've learned and finish the Wonderplane's final challenge!
Get a Gold on the Knitted Knight’s ultimate trial.