[Details]This is a city development battle simulation game, available as a new GREE app!The player takes command, working to rebuild a city devastated by war.Build housing, military facilities, and various other structures to develop your city.Assemble powerful weapons units, Destroid Arms, to protect your town from the rampaging Destroyers.Increase your town's technology level and unlock Power-Up Items to research more powerful units.Build even more useful and efficient buildings.As the game begins, you will be presented with a series of simple missions to help you grasp the basics of gameplay.A social component allows you to visit Friends' cities and recruit their units to reinforce your own in battle.As you cooperate with other players, your Friendship rating increases, leading to special bonuses and effects![About In-Game Coins]- In-app purchases rely on in-game coins which are exclusive to each application. These are available within each app.- In-game coins can only be used in the iOS app in which they are purchased. (i.e. Force Material is only usable within the "Gunners Union" iOS application.- In-game coins for each app may be used within that app only. Coins from other apps may not be used.[Using the GREE Application]- More and more free iOS apps are being added to GREE.- GREE is a fully featured social network, with Friends, Photos, and private and public messages.- You can make and invite friends using the contact details you provide.- You can even exchange e-mails with your friends.- You can take part in various themed communities and find others who share your interests.