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