The essence of the project is very simple.  You make forecast what Bitcoin will be worth in the end of the game day. The player who gave the right forecast or the closest to the final gets the whole prize pool. The prize pool is the sum of all bets minus the organizers’ commission.
The independent supplier of the Bitcoins rate http://www.coindesk.com/
The first 50 participants receive a free bonus of 0,003 Btc.  

Conditions of the bonus:
1)   The participant must register

Attention! The project is a brand new and has just started.

All projects rules are here.

http://bitcoinpriceguru.com/