Its a game like old classic games that you can play an get hash rates which then you can use to mine the coins

coins that are included

1- Bitcoin (BTC)

2-Etherum (ETH)

3-Dogecoin (Doge)

lastly there is a in game coin that you can use to buy in game stuff so

Here is the screen shot of games that you can play

And in near future you can get more games . an another thing you can make extra crypto while having fun

join the link billow

https://rollercoin.com/?r=k92zi8u5

have fun playing