You are surrounded by the waves of zombies! You need to be quick to kill them all and break out! At the end of each level, you can use the gold to upgrade.
Enter an infected zone called "Romero E5". Don't let zombies spread over the city's borders by assigning soldiers to repair barricades and shooting at incoming infectees.
Build towers and defend your base against the waves of blood-thirsty incoming zombies. Earn points to upgrade your existing towers or add more new towers.