Lucky Bitcoin - Well website through which you can earn a bitcoin reward after you have collected a certain number of Satoshi.
Prizes are cash/bitcoin prizes and merchandise.

Satoshi​ can accumulate in several ways:

  By games that are added to the site.
 

  By Gift Faucet from 500 Satoshi to 10000 Satoshi/hour.

  By disseminating a unique link that you receive immediately after you register.

  By free game that gives random Satoshi every day.

  Earn 50% of your referral earnings.