Carbon Poker is a growing site open to U.S. players and Rakebrain offer the highest Carbon Poker rakeback rate.Carbon Poker is on the new Merge Gaming network, one of few accepting U.S. players and subsequently quickly building a strong player base. The games are on the looser side, with many inexperienced players taking their first shot at online poker; you can also take advantage of complimentary freeroll tickets, a royal flush bonus and lots of satellites to live poker events. Sign-up at Carbon Poker through RakeBrain and you’ll receive a sign-up bonus up to $550 at 200% match plus 30% of your rake every month.

PlayersOnly Poker - the leading poker room in the rapidly growing Cake Poker Network - is something as unusual as a poker site only open to US players. Sign up via RakeBrain and get the most out of every wager - 33% rakeback is returned to you every month.

New players who sign up via RakeBrain can clear a 100% bonus up to $550. The site regularly offers freerolls with great value, satellite tournaments and reward all loyal players. Cake Poker uses dealt rakeback method, which means that the rakeback is split equally among all players who are dealt into a hand. Cake Poker includes tournament fees in Net Rake/MGR. Bonuses, however, are deducted from the rake before the rakeback is paid out.