Zombie Blitz is a casual tower-defense game. The deadly G-virus has spread. More and more humans have turned into zombies. The remaining humans have taken refuge and are hiding from the zombies. But the zombies are on the march and prepared to overrun the last of humankind. The outlook is grim. Humankind's only defense against the zombies is an army of zombie-hating plants who want to kick some serious zombie butt.