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.
Survive 15 Minutes In Menu
Kill 100 Menu Zoms
kill 500 Menu Zoms
No Where To Run
Zombliterator
Killer Clown
Rasta Gonna Get Ya!
Back To Back
The Bride
Zombinator
Shekly Shot Eye
What's On Tv?
Undeadz 4 Lyfe Yo
Dead Monk
Prep For Bravery
Zombie Slayer
Hawk Eye
Tea Party
Underground
The Beauty Of Birth
Zombie Hunter
Hell's For The Homeless
Don't Smoke
Chewy Dogz
Blow 'Em Up
Some Tongue?
Hard Ass Hooker
Trip 'Em
You'z Got Bit
Kill 50 Menu Zoms