The mafia war has begun. You have to protect your territory against the enemy gang that tries to take over. Bring your armed men to the roofs to shoot and destroy every outsider moving in on your turf.
Monsters must protect San Francisco or even the world from these evil aliens. Place your monsters around the map to defeat the incoming waves of aliens.
Create units and gun towers to protect your castle against enemy units. Don't forget to fire your main weapon which is placed at the top of your base. *** Recommend playing in full screen mode.
To Protect the Earth from alien invasion, you're given a ship class AT-021. But unfortunately the Earth doesn't have enough resources to supply new arms to the ship. Improve the ship by collecting weapons through battles and buy turrets to defend.
