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.
No Where To Run
Zombliterator
Rasta Gonna Get Ya!
Back To Back
Killer Clown
What's On Tv?
Blow 'Em Up
Zombinator
Shekly Shot Eye
Undeadz 4 Lyfe Yo
Dead Monk
The Beauty Of Birth
The Bride
Zombie Slayer
Prep For Bravery
Hawk Eye
Tea Party
Underground
Zombie Hunter
Hell's For The Homeless
Don't Smoke
Some Tongue?
Chewy Dogz
Hard Ass Hooker
You'z Got Bit
Trip 'Em
Survive 15 Minutes In Menu
Kill 50 Menu Zoms
Kill 100 Menu Zoms
kill 500 Menu Zoms