If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Drive your car around the city saving people from the flesh hungry zombies. Earn money by successfully transporting people safely to the drop zone and by runnung over as many zombie freaks as you can. Watch Out! though, you can also run over the people you want to save and you can damage your car by smashing into things.
Upgrade your vehicle with the money you earn and unlock a variety of options by saving VIP's.
Use WASD or Arrow keys t drive.