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