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
Killer Clown
Back To Back
Rasta Gonna Get Ya!
What's On Tv?
Zombinator
The Bride
Shekly Shot Eye
Undeadz 4 Lyfe Yo
Tea Party
Underground
Zombie Slayer
Hawk Eye
Prep For Bravery
Survive 15 Minutes In Menu
kill 500 Menu Zoms
Kill 100 Menu Zoms
Dead Monk
The Beauty Of Birth
Zombie Hunter
Don't Smoke
Chewy Dogz
Some Tongue?
Trip 'Em
Blow 'Em Up
You'z Got Bit
Kill 50 Menu Zoms
Hell's For The Homeless
Hard Ass Hooker