Here is the full list of all 30 Pixel Puzzles: UndeadZ achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Hawk Eye
Trip 'Em
What's On Tv?
The Bride
Zombie Slayer
Underground
Don't Smoke
Prep For Bravery
Tea Party
Blow 'Em Up
Zombie Hunter
Hell's For The Homeless
The Beauty Of Birth
Chewy Dogz
Some Tongue?
Hard Ass Hooker
Survive 15 Minutes In Menu
Kill 50 Menu Zoms
Kill 100 Menu Zoms
kill 500 Menu Zoms
Zombinator
Zombliterator
You'z Got Bit
Dead Monk
Shekly Shot Eye
Undeadz 4 Lyfe Yo
Killer Clown
Back To Back
Rasta Gonna Get Ya!
No Where To Run