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