Is there any free crypto game?

The best bitcoin games you can play on Android are: Pearl of the Orient.

Here are some effective methods to earn free Bitcoins:

Use either email or Facebook account – a couple clicks and you’re ready to mine!

Crypto Royale is another play-to-earn game that can be played with no up-front investment. It runs in a browser, and players must compete against each other to win cryptocurrency. Crypto Royale lets users enter a battleground and win cryptocurrency.