Zombie survival: Arena

In abandoned mental clinic conducted awful experiments, after some time the contact with clinic's personnel was lost and government send you, to find out what happened there. Near the entrance your helicopter crashed, there is no way back, you trying get inside, but there is already waiting of you the results of this dreadful experiments.

There is no escape the only way to survival is fight. collect energy what located around the facility to upgrade your character fight back crowd of zombies to survive as much as you can.

Features:
* Collect energy items
* Upgrade character
* During the time zombies will spawn quicker
* Healing Zone in the middle of facility