The world in this game is a nuclear post apocalyptic one. You have the dirt bike to perform several stunts. It is thrilling and you can score and collect coins in the process of performing stunts. You have to ride past all challenge tracks and score with your stunt performance and coin collection. The instructions are all within the game itself. It is an adventure game and will give you the excitement that is lacking in your monotonous life. Play it top know how irresistible it is. Have a nice time, enjoy yourself!!