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.
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.
In multiplayer, save your fallen friends from certain doom!
Pick up and throw 30 of Vex's minions to their doom.
Complete Highs and Glows... without throwing the Whirltool.
Get a Gold on the Knitted Knight’s ultimate trial.
Show off what you've learned and finish the Wonderplane's final challenge!
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.
Find all of Gerald's secret spots.
Cleaned up N.A.O.M.I's code.
Defeated the Bringer of Nightmares at the bottom of the ocean.
Collect all the stickers in a single World.
Earn Gold on the scoreboard in 50 different levels!
Stun 30 of Vex's minions.
In multiplayer, get gold in any Knitted Knight Trial while carrying another Sackperson.
In multiplayer, high five with a friend.
Ace 30 levels by completing them without dying.
Defeat multiple minions simultaneously 10 times.
Cleared the Colossal Canopy of its pest problem.
Defeat 30 of Vex's minions from a distance.
In multiplayer, snag the most Collectabells in a level 20 times.
In multiplayer, snatch an item from the clutches of another player.
In multiplayer, clobber one of your chums as the champ.
In multiplayer, get the top score on the scoreboard 20 times.
Over the course of your adventure, collect 3000 points while sliding.
Defeat 30 of Vex's minions by bouncing on them.
Faced off against the Master of the Uproar on the Soaring Summit.
In multiplayer mode, earn 10 Ace level goals.
Earn a Gold rank in any Remix level.
Create your own custom Emote in Zom Zom's shop then show the world.
Save a custom-made costume to your Wardrobe.
Fill your wardrobe with 300 costume pieces.
Achieve all the level goals for 10 different levels.
Earn a Gold rank in any Knitted Knight Trial.
Discover the Trials of the Knitted Knights.
In multiplayer, complete a Teamwork Level.
In multiplayer, start a dance party with your friends.
Collect a full chain of Timed Score Bubbles 30 times.
Simultaneously slap each other.
Complete your first Costume.
Pushed back the Uproar for the first time.
Get a golden level badge by completing all the Level Goals for a single level.
While in the air, perform four actions before touching the ground.