BC.GAME Airdrop
That's fun. Betting on the nonce of the next Ethereum block with some free tokens. They also have a whitepaper but less info about the team. But a working website is always better. Even if the website is in a early stage it is working. If you sign up today you'll receive with the daily bonus 900 or 1,000 tokens (~$5) until April 6th where you can withdraw them.