In a world filled with zombies, you are the only one who has the guts to rescue what's left of human kind. Take your school bus and drive through the city in the search for survivors. Use it to run over zombies in your path, and kill others with the weapons at your disposal. In each safe zone, improve your bus with new weapons, heavy bumpers and hardwire, among other upgrades. In your search for salvation, look for supplies left by the army.
Use WASD (or Arrow keys) to drive around and run over zombies. Use your mouse to aim and fire. Rescue survivors. Achieve special objectives in each level to earn medals and be rewarded with Gear Points. Use your Gear Points to upgrade your bus at the end of each level. Enjoy killing some zombies.