Zombie Riot

After a failed experiment a rat infected with a lethal virus has escaped from a laboratory in which it was being studied, now it's infecting everyone that it bites with the virus. In a few hours the whole city is infected by the virus, and the inhabitants have transformed into an army of zombies. Your objective is to leave the city, but to do so, you have to defeat them. Use "WASD" to move and the mouse to aim and shoot.