Drive over hilly tracks, collect stars, coins and pickups to upgrade your cars and get further! Also watch out for various obstacles! But you can also use them to perform some backflips... just watch your head! So, buckle up, driver! Drive from the start to finish in each level and collect coins to upgrade your cars. hill climbing,racing game,car racing,track racing,mountain climbing,upgrade cars,collect coins,stars,pickups,backflips,driving game,racing,challenge,thrilling,road,track,hill,climb,balance,racing & driving