The game:
Send the double of the previous sent amount. (If more it is considered valid and the next person is to send double of that amount.)
If it is less than 2x of the previous amount, it will be considered as donation to the prize pool.
Starting with 0.001BTC.Address: 1JPxSv7bP2UzLKGtzUjEdtk3nWWtP8oGeo
https://blockchain.info/address/1JPxSv7bP2UzLKGtzUjEdtk3nWWtP8oGeoFunded with 0.1
BTC prize money.
Prize: Pot, the entire balance of the address minus 10% fee.
The last person to send wins if no one sends the doubled amount
in the next 24 hours calculated from blockchain time within 100 confirmations of the transaction.
Cheers
Good luck.
P.S. I will not get involved with the game in any unethical or unfair manner.
Edit: And sorry for using an already used address.