Here is the full list of all 54 New Super Lucky's Tale achievements. It takes around 10-12 hours to unlock all of the achievements on Windows.
Purchase all of the costumes from Sky Castle, Veggie Village, Wrestful Retreat, and Hauntingham.
Beat Trapped in Paradise without flipping a switch.
Look at every map in Trapped in Paradise.
Take no damage at the end of Three Cannon Salute.
Complete all Anna Lyd levels.
Complete all of the levels in Foxington.
Complete all PW levels.
Defeat WriggleMania while wearing the Maxi-Mullet.
Take no damage in WriggleMania.
Fall into a tar pit.
Complete all Ch1p levels.
Find all 4 diamonds in A Road to Nowhere.
Collect all of the collectibles during the cross ladder section of Step by Step.
Never get caught in a single run through of Under Pressure.
Collect 12,000 Coins.
Defeat all of the enemies in Top That!
Take a shower in Foxington.
Interact with all 5 radios in Foxington.
Take a dip in Foxington.
Watch the Credits.
Defeat Jinx once and for all!
Collect all Pages in Hauntingham.
Solve the mushroom puzzle in Grave Awakening.
Burrow 10,000 meters.
Defeat Lady Meowmalade without getting hit.
Defeat Lady Meowmalade in her dance club.
Collect all Pages in Gilly Island.
Rescue the Soggy Boggy Boys' audience.
Collect all Diamonds in Securing the Talent.
Defeat the Yeti in Securing the Talent.
Activate all the Cash Registers.
Complete Trapped in Paradise.
Defeat General Buttons and Lt. Fluffinstuff in Three Cannon Salute.
Must... destroy... sandcastles!
Defeat General Buttons and Lt. Fluffinstuff.
Collect all Pages in Wrestful Retreat.
Get crushed.
Equip your first costume.
Equip a mismatched costume.
Collect 5,000 Coins.
Defeat Tess.
Collect all Pages in Veggie Village.
Help the Wormal farmer gather his chickens.
Complete a Tess Marble Minigame.
Defeat Master Mittens.
Collect all Pages in Sky Castle.
Have a Buzzkill kill a fellow Buzzkill.
Finish a Burrow Run level.
Collect 1,500 Coins.
Complete a Sliding Block Puzzle.
Finish a 2D level.
Collect all the LUCKY letters in a single level.
Use a foxhole.
Complete the Prologue.