It's an emergency situation.
Zombies came to attack.
Please exterminates zombie.
You can game all free.
Time attack mode is game time of 60 seconds.
Normal mode is attack the zombies increase the time.
When the allotted time runs out, the game is over.
When attack people who get away, it is one penalty.
Operation is simple! Only two.
"Tap" to attack the single's.
"Swipe" to attack the multiple.
Fight in a short time, the next zombie comes out.
multiple taps is No problem.
two swipe is No problem.