Here is the full list of all 28 Blackout Z: Slaughterhouse Edition achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Shoot 2500 times
Kill a total of 1000 zombies
Kill 100 zombies on a single run
Shoot 100 times with the PISTOL on a single round
Shoot 1000 times
Get a score of 15000
Kill a total of 500 zombies
Shoot 40 times with the SHOTGUN on a single round
Shoot 100 times with the AK on a single round
Shoot 50 times with the AK on a single round
Shoot 20 times with the AK on a single round
Shoot 20 times with the DOUBLE on a single round
Shoot 10 times with the DOUBLE on a single round
Shoot 4 times with the DOUBLE on a single round
Shoot 25 times with the SHOTGUN on a single round
Shoot 8 times with the SHOTGUN on a single round
Shoot 150 times with the SMG on a single round
Shoot 80 times with the SMG on a single round
Shoot 300 times
Die 10 times
Shoot 30 times with the SMG on a single round
Kill a total of 100 zombies
Kill 50 zombies on a single run
Shoot 50 times with the PISTOL on a single round
Get a score of 5000
Get a score of 1000
Kill 10 zombies on a single run
Shoot 15 times with the PISTOL on a single round