RollerCoin is an online, virtual bitcoin mining game where you play games in order to earn cryptocurrency.  You can increase your earnings by investing in miners that can be bought with the games currency, Rollercoin

So, play games, buy miners earn cryto, repeat the cycle.  If you wish to jump start the cycle you can invest crypto into the website and buy miners.

You can see the games below, mostly riffs on arcade games Tetris, Arkanoid Flappy birds.  The more you play the more the difficulty increases, but so do the rewards in terms of receiving power that will earn you the crypto of your choice.

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You can adjust the ratio of crypto you want to own and there are 5 options Bitcoin, Ethereum, Dogecoin, USDT and the in game currency Rollercoin.

You can mine a portion of them or just choose one.

You can also earn further revenue as with most sites of this ilk by getting referrals. 

So there you have it Earn Crypto and have fun playing games with Rollercoin