Clash of clans is a online stategy game. It is very addictive game. You have to build your townhall and upgrade untill you will reach townhall 12. Is is very fantastic game. You gonna enjoy it if you installed and play it. Its graphics are very good. And its requirements are also not so high. You just have to a android or ios smartphone and a wifi or a cellular data connection. You also make your clan or join a clan to get help from other by get donation or donate troops or spells to each other.