Free

PREMIUM UPGRADE is now available: * disables ads * adds crystal theme * adds steel theme * adds additional music track Main features: * lightning fast gameplay * original soundtrack * global leaderboards * achievements * totally free Online functions: * to use online functions like leaderboards or achievements you need to log in to Google Game Services from within the game using your Google account * the account you want to use needs to be Google+ enabled Game support: * please rate the game if you like it using +1 button on the app store page or by giving us a review * you are welcomed to check applications current roadmap at our website * we would love to hear your suggestions of new features you would like to see in the next updates – email us or use the new feature suggestion form at our website * please report any issues you are having with our application – email us or use the issue reporting form at our website Fasten your seatbelts and prepare yourself for a ride of ...