The 52nd Annual World Series of Poker held at the Rio-All Suite Hotel & Casino would see 88 scheduled events and be highlighted by new events including The Reunion that was a $500 buy-in and featured a $5 million prize pool guarantee. The Flip & Go presented by GGPoker, Poker Hall of Fame Bounty, and a wave of freezeouts also made their debut, while high roller tournaments returned with buy-ins ranging from $50,000 to $250,000. Marquee events such as the Millionaire Maker, Monster Stack, Colossus, and Little One for One Drop also returned, along with the Main Event.