In Crypto Puzzles you can play tons of different jigsaw puzzles and earn some ethereum coins. For each completed puzzle you will receive virtual coins, which can be exchanged to ETH (ethereum) coins.
Please note that to earn a decent amount of ETH, you need to solve a lot of puzzles.
To start playing Crypto Puzzles and exchange coins for ethereum cryptocurrency, you need to register an account using your email or log in with your Google account. All your ingame data and ETH requests are securely stored on the server.
When you earn enough virtual coins - You can request a withdrawal of ETH to your Coinbase account. Withdrawal request is possible once a week.