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 all of Gerald's secret spots.
Find and pick up every fish, paintbrush and cocktail umbrella on your journey.
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.
Pick up and throw 30 of Vex's minions to their doom.
Pick up, and hold on to, a Boomblebee Hive for 60 seconds.
Stun 30 of Vex's minions.
In multiplayer, get gold in any Knitted Knight Trial while carrying another Sackperson.
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!
Defeat multiple minions simultaneously 10 times.
Complete Highs and Glows... without throwing the Whirltool.
Ace 30 levels by completing them without dying.
Collect all the stickers in a single World.
Cleared the Colossal Canopy of its pest problem.
In multiplayer, snag the most Collectabells in a level 20 times.
In multiplayer, save your fallen friends from certain doom!
Defeat 30 of Vex's minions from a distance.
Fill your wardrobe with 300 costume pieces.
In multiplayer, high five with a friend.
In multiplayer, get the top score on the scoreboard 20 times.
In multiplayer, start a dance party with your friends.
Over the course of your adventure, collect 3000 points while sliding.
Save a custom-made costume to your Wardrobe.
In multiplayer mode, earn 10 Ace level goals.
Faced off against the Master of the Uproar on the Soaring Summit.
Defeat 30 of Vex's minions by bouncing on them.
Earn a Gold rank in any Remix level.
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.
Collect a full chain of Timed Score Bubbles 30 times.
Simultaneously slap each other.
In multiplayer, complete a Teamwork Level.
While in the air, perform four actions before touching the ground.
Complete your first Costume.
In multiplayer, snatch an item from the clutches of another player.
In multiplayer, clobber one of your chums as the champ.
Create your own custom Emote in Zom Zom's shop then show the world.
Pushed back the Uproar for the first time.
Get a golden level badge by completing all the Level Goals for a single level.