Here is the full list of all 35 Donuts'n'Justice achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
Summon 77 Witches
Collect 100 Pumpkins
Collect 100 Candies
Catch 69 Ghosts
Wear the King Crown
Wear the Sombrero
Wear the Pope Hat
Wear the Viking Helmet
Wear the Chef Hat
Die 50 times
Kill 100 civilians
Change the DNA of enemies 100x
Kill 100 Enemies with Freeze Gun
Collect 1000 Badges
Save 100 civilians
Eat 100 Donuts
Make 500x Combo
Wear the Santa Hat
Kill 1.000 Enemies
Kill 50 Enemies with Sniper Rifle
Earn Score Higher than 1500
Earn Score Higher than 2000
Earn Score Higher than 2500
Earn Score Higher than 3000
Earn Score Higher than 4000
Earn Score Higher than 5000
Kill All the Bosses
Finish the game on the ThumbSucker difficulty
Kill 100 Enemies with FlameThrower
Throw 100 grenades
Eat 100 Mushrooms
Gather 1.000 Dollars
Earn Score Higher than 500
Earn Score Higher than 1000
Kill Your First Enemy