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.
Find and pick up every fish, paintbrush and cocktail umbrella on your journey.
Show off what you've learned and finish the Wonderplane's final challenge!
Team up to take down the Topsy Turver.
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.
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!
Defeat multiple minions simultaneously 10 times.
Defeat 30 of Vex's minions from a distance.
Complete Highs and Glows... without throwing the Whirltool.
Ace 30 levels by completing them without dying.
Cleared the Colossal Canopy of its pest problem.
Pick up and throw 30 of Vex's minions to their doom.
In multiplayer, high five with a friend.
Fill your wardrobe with 300 costume pieces.
In multiplayer, get the top score on the scoreboard 20 times.
In multiplayer, snag the most Collectabells in a level 20 times.
In multiplayer, save your fallen friends from certain doom!
Over the course of your adventure, collect 3000 points while sliding.
In multiplayer, get gold in any Knitted Knight Trial while carrying another Sackperson.
Pick up, and hold on to, a Boomblebee Hive for 60 seconds.
Faced off against the Master of the Uproar on the Soaring Summit.
Achieve all the level goals for 10 different levels.
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.
Earn a Gold rank in any Knitted Knight Trial.
Discover the Trials of the Knitted Knights.
Stun 30 of Vex's minions.
Defeat 30 of Vex's minions by bouncing on them.
Collect a full chain of Timed Score Bubbles 30 times.
In multiplayer, complete a Teamwork Level.
In multiplayer, start a dance party with your friends.
While in the air, perform four actions before touching the ground.
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.
Complete your first Costume.
Save a custom-made costume to your Wardrobe.
Pushed back the Uproar for the first time.
Get a golden level badge by completing all the Level Goals for a single level.