Here is the full list of all 5 Minus Nine achievements.
The base game contains 0 achievements, and there is 1 DLC pack containing 5 achievements.
Survived all threats and escaped successfully.
Acquired your first weapon for survival.
Kill 100 zombies in a single run without dying.
Escape the underground in under 60 minutes.
Upgrade the Attack, Ammo, and Movement Speed skill chips to their max level.