Full list of all 46 A Hat in Time achievements. It takes around 20-25 hours to unlock all of the achievements in the base game on Windows.
The base game contains 28 achievements, and there are 4 DLC packs containing 18 achievements.
Collect all Time Pieces!
Collect all Time Pieces in Alpine Skyline!
Complete the Lava Cake peak without touching the lava at all!
Defeat any boss with the 1-hit hero badge equipped!
Collect all Time Pieces in Subcon Forest!
Hook onto a ceiling fan with the hookshot!
Collect all Time Pieces in Mafia Town!
Collect all Time Pieces in Battle of the Birds!
Complete Train Rush without dying or time bonuses!
Don't fall into the rising water in Subcon Well!
Climb to the top of Subcon Forest's big mushroom!
Equip 3 badges!
Complete The Big Parade without falling into the audience below!
Get a total of 2000 points in Battle of the Birds!
Make it through Murder on the Owl Express without finding any clues (you suck)!
Find all Murder on the Owl Express clues!
just... why... ?
Make it through Dead Bird Studio without being seen at all!
Find Your Secret Hideout!
Do 5 homing attacks in a row, without touching the ground!
Do a 360 flip on the scooter!
No hand-holding for you, apparently!
Ride the vacuum!
Knock off all the sitting Mafia in Mafia Town!
Slide down a really long slope!
Put on your first badge!
Light up the spaceship!
Sit in 3 different chairs!
Collect 30 Mod Rift Tokens from Steam Workshop levels!
Rate a Steam Workshop level!
Play a mod from the Steam Workshop!
Obtain All Death Wish Stamps!
Obtain 50 Death Wish Stamps!
Clear All Objectives In a Single Death Wish!
Collect all Time Pieces in The Arctic Cruise!
Collect 3 Time Pieces In Co-op!
Clear Ship Shape Without Upsetting The Captain!
Collect 10 Time Pieces in Online Party!
Clear an act in Online Party as the person in lead!
Collect 30 Stickers in Nyakuza Metro
Collect all Time Pieces in Nyakuza Metro!
Participate in an Online Party with 10 or more total players!
Put 10 different stickers on a single screenshot!
Discover a secret food combination!
Collect your first holographic sticker!
Clear a Challenge Road!