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