As the first line of defense, you must bring down everything in front of you to ensure victory. You have been equipped with four guns, including an anti-aircraft gun to assist you in trouble.
The great kingdom is in a state of war facing adversity as evil force from the Dark Fortress is creeping onto its territory. Cleanse this land of nightmarish creatures of darkness and the undead hidden behind the impregnable walls of the Dark Fortress!
Defend your fortress from the oncoming enemy waves. Place turrets in locations of your choice on your fortress, creating the best defense possible to withhold even the greatest of attacks.
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.
The world is under attack from the most gruesome monsters hell has to offer! Build & upgrade your towers, equip them with gems for different effects and try to keep the world safe.
The Reich is invading Europe! As a commanding officer, it is your job to stop them from reaching their goals. They have tanks and planes, you must stop them with defensive turrets that you have to command and lay in strategic places or all hope is gone.