The ads for this game is ridiculous at the start the ads don't happen then all of a sudden after u murge into the triceratop it's all about ads to even upgrade you have to watch an ad first then u can use your money to buy dinosaurs then the wheel comes up to watch an ad for double 3x 4x etc extra money you say no thank and a ad comes up anyway and it doesn't give you money then you just play with what u have it doesn't work cause u need to merge up reduce the ads or reduce the price 4 ad free