News $50 Million OSS XL Kicks Off Sunday, September 7th Americas Cardroom August 26, 2025 The biggest series of the year is almost here, and it’s coming in huge. The OSS XL is the supersized version of our flagship tournament series, running from September 7th to 30th with a massive $50 million in guarantees. That’s more than three weeks of non-stop excitement, featuring everything from high-stakes Main Events to affordable Mystery Bounty tournaments with potentially huge payouts. The OSS XL lineup has it all—big-money Main Events, multi-flights, and Mystery Bounties that keep the action fresh. The three Main Events alone put up a combined $4.2 million in guarantees. That’s $2 million GTD in the $2,650 buy-in, $1.5 million GTD in the $1,050 buy-in, and $750K GTD in the $215 buy-in. Other series highlights include a $1.5 million GTD Multi-flight tournament ($630 buy-in), four featured Mystery Bounty events—including two $500K GTDs for just $109 each—and a $150K Survivor Flips tournament. There’s also an added bonus: the $65,000 Leaderboard Contest. We’re funding it entirely, and all you need to do to earn points is play OSS XL events. Climb the standings and you could pick up extra cash and tournament tickets on top of your winnings. Of course, not every event is high stakes. Buy-ins range from just $5.50 up to $2,650, which means whether you’re grinding the low-limit Mystery Bounties, firing up a mid-stakes multi-flight, or chasing Main Event glory, the OSS XL has a path that fits your bankroll and your style. With multi-flight structures, surprise bounties, Survivor Flips, leaderboard prizes, and massive guarantees every single day, the OSS XL is built to deliver over three weeks of thrilling tournament action for every type of player. For more info on the OSS XL, including the full schedule, visit the promo page here.