And the indictments of Black Friday – Ap– involving executives at PokerStars, Full Tilt Poker, Absolute Poker, and UltimateBet were the final straws in that crumbling haystack. The US government began to crack down on the unfettered internet poker market in 2006 with the Unlawful Internet Gambling Enforcement Act (UIGEA), which drove many sites – including PartyPoker – away from players based in the 50 states. Hundreds of poker sites catered to the millions of American players. How a Decade of US Laws Changed Online Pokerīefore 2011, the United States comprised the largest online poker market in the world.