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!
Make it through Dead Bird Studio without being seen at all!
Make it through Murder on the Owl Express without finding any clues (you suck)!
Complete Train Rush without dying or time bonuses!
Knock off all the sitting Mafia in Mafia Town!
Complete the Lava Cake peak without touching the lava at all!
Don't fall into the rising water in Subcon Well!
Do a 360 flip on the scooter!
Collect all Time Pieces in Alpine Skyline!
Collect all Time Pieces in Subcon Forest!
just... why... ?
Do 5 homing attacks in a row, without touching the ground!
No hand-holding for you, apparently!
Complete The Big Parade without falling into the audience below!
Get a total of 2000 points in Battle of the Birds!
Climb to the top of Subcon Forest's big mushroom!
Hook onto a ceiling fan with the hookshot!
Defeat any boss with the 1-hit hero badge equipped!
Collect all Time Pieces in Mafia Town!
Ride the vacuum!
Find Your Secret Hideout!
Collect all Time Pieces in Battle of the Birds!
Equip 3 badges!
Slide down a really long slope!
Find all Murder on the Owl Express clues!
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!
Collect 3 Time Pieces In Co-op!
Clear Ship Shape Without Upsetting The Captain!
Collect all Time Pieces in The Arctic Cruise!
Clear All Objectives In a Single Death Wish!
Collect 30 Stickers in Nyakuza Metro
Discover a secret food combination!
Put 10 different stickers on a single screenshot!
Collect 10 Time Pieces in Online Party!
Collect your first holographic sticker!
Clear an act in Online Party as the person in lead!
Participate in an Online Party with 10 or more total players!
Collect all Time Pieces in Nyakuza Metro!
Clear a Challenge Road!