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