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