Remember 13 Days in Hell? Now the zombies are back and you are unfortunate enough to wake up in the midst of the action. The local weapons dealer is your only chance of survival. Purchase and use your ammunition wisely, run out when most needed and you will be dead. Developed by Qi Games and sponsored by BubbleBox. Play Hellvolution and other flash games at CafeCafeGames.com - We have the best free online games for you.