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.
Change the DNA of enemies 100x
Kill 100 civilians
Make 500x Combo
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
Finish the game on the ThumbSucker difficulty
Die 50 times
Kill 100 Enemies with Freeze Gun
Wear the Santa Hat
Wear the King Crown
Wear the Sombrero
Wear the Pope Hat
Wear the Chef Hat
Earn Score Higher than 1500
Wear the Viking Helmet
Summon 77 Witches
Collect 100 Pumpkins
Catch 69 Ghosts
Collect 100 Candies
Kill 50 Enemies with Sniper Rifle
Collect 1000 Badges
Earn Score Higher than 1000
Eat 100 Donuts
Kill All the Bosses
Save 100 civilians
Kill 1.000 Enemies
Earn Score Higher than 500
Kill 100 Enemies with FlameThrower
Eat 100 Mushrooms
Gather 1.000 Dollars
Throw 100 grenades
Kill Your First Enemy