Modern zombie battle

Story:
In the dark night of September 1942, a virus was born, it is called T-virus. This virus is spreading rapidly and become one pandemic worldwide, who are affected by T-virus will become one zombie, bloodthirsty and crave brains.
Zombies are everywhere in the world, from urban to the military area. However, in some parts of the world, the people (commandos) who haven't been infected are standing up to fight against the world of zombies to bring the hope to the real world.
Gameplay:
Use left/right control to move commando.
Drag on screen to find zombie. Only fire when necessary because zombies can see you.
Take to the frontline with assault rifles and grenade.