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.
Team up to take down the Topsy Turver.
Find and pick up every fish, paintbrush and cocktail umbrella on your journey.
Complete Highs and Glows... without throwing the Whirltool.
Pick up, and hold on to, a Boomblebee Hive for 60 seconds.
In multiplayer, snag the most Collectabells in a level 20 times.
In multiplayer, get the top score on the scoreboard 20 times.
In multiplayer, save your fallen friends from certain doom!
Create your own custom Emote in Zom Zom's shop then show the world.
In multiplayer, get gold in any Knitted Knight Trial while carrying another Sackperson.
Show off what you've learned and finish the Wonderplane's final challenge!
Get a Gold on the Knitted Knight’s ultimate trial.
Defeated Vex, destroyed the Topsy Turver and saved Craftworld!
Triumphed over the vile Vex at the very centre of Craftworld.
In multiplayer, high five with a friend.
Find all of Gerald's secret spots.
In multiplayer mode, earn 10 Ace level goals.
Cleaned up N.A.O.M.I's code.
Defeated the Bringer of Nightmares at the bottom of the ocean.
Pick up and throw 30 of Vex's minions to their doom.
Save a custom-made costume to your Wardrobe.
Earn Gold on the scoreboard in 50 different levels!
Stun 30 of Vex's minions.
Collect all the stickers in a single World.
Ace 30 levels by completing them without dying.
Cleared the Colossal Canopy of its pest problem.
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.
Fill your wardrobe with 300 costume pieces.
Faced off against the Master of the Uproar on the Soaring Summit.
In multiplayer, start a dance party with your friends.
Collect a full chain of Timed Score Bubbles 30 times.
Achieve all the level goals for 10 different levels.
Defeat 30 of Vex's minions by bouncing on them.
Earn a Gold rank in any Remix level.
Complete your first Costume.
Earn a Gold rank in any Knitted Knight Trial.
Discover the Trials of the Knitted Knights.
In multiplayer, complete a Teamwork Level.
In multiplayer, clobber one of your chums as the champ.
Simultaneously slap each other.
In multiplayer, snatch an item from the clutches of another player.
While in the air, perform four actions before touching the ground.
Pushed back the Uproar for the first time.
Get a golden level badge by completing all the Level Goals for a single level.