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