Do you think yourself smart ??? Do you have guts to change the big challengersDo you wanna try to break the world records Lets come inside then , a smart users from all over the world is waiting for you to break their records , Come rule on them Please note that game is free to play, but you can purchase in-app items with real money. To delete this feature, on your device go to Settings Menu -> General -> Restrictions option. You can then simply turn off In-App Purchases under "Allowed Content". In addition, Game may link to social media services, such as Facebook , Best of luck!