Evil aliens with their vehicles and robots are evading our pretty Earth now. The planet is on the verge of death or destruction. Come on Hero! Please control the giant iron dragon to fight back evaders! Hold to make dragon drill down and release to make it fly up. When you do this, you can also collect coins and suddenly attack enemies by crashing abandoned buildings. These are important targets! Attention to limited time of drilling down. Drilling under ground for long time will make dragon injured. And pay attention to the paved laser net and bullets on ground! Besides of exciting battle with BOSS, don’t forget to enjoy the thrilling of destruction! 1)Auto Renewal Subscription Subscription options We have the following subscription periods in our game: 1. Weekly Super Membership offers weekly subscription for $4.99 after 3-day free trial. Weekly Super Membership can collect 80 Gems and 8000 Coins every day ; No cooling to start challenge mode; Get a unique dragon:CYBER ARMORED WING. 2. Monthly Super Membership offers monthly subscription for $9.99. Monthly Super Membership can collect 80 Gems and 8000 Coins every day ; No cooling to start challenge mode; Get a unique dragon:CYBER ARMORED WING. 3. Yearly Super Membership offers yearly subscription for $49.99. Yearly Super Membership can collect 80 Gems and 8000 Coins every day ; No cooling to start challenge mode; Get a unique dragon:CYBER ARMORED WING. 2)End of trial and subscription renewal This price is established for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. 3)Cancelling trial or subscription You can turn off the auto-renew for the subscription whenever you want to through iTunes. When your current trial/subscription period expires, you will be unsubscribed. The current active subscription period can not be canceled. When your subscription expires, you will no longer be able to use elements included in Subscription option. If you have any questions or comments, feel free to contact us at [email protected]. 4)Terms of Service: http://yaoguaididigamestudio.com/Service.html Terms of Privacy: http://yaoguaididigamestudio.com/privacy.html Terms of Subscription: http://yaoguaididigamestudio.com/Subscription.html