I like this game but it needs work, constantly lagging and does crash quite often which is so frustrating, just crashed again and i was 1st & 3rd on race finish, then it decides to refund race cost and no points etc. Items/upgrades are too expensive, this is the developers trying to force your hand to buy.....yes they have to make money but they get plenty from ads with all the ads you watch to halve production time and to get "free" money. Sadly uninstal & try a different game.