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888poker is preparing to launch its 2026 XL Autumn Series, an online tournament festival scheduled to run from September 20 through September 29. The series will feature 41 numbered events, with total guaranteed prize pools approaching $900,000.
A significant portion of the schedule will consist of mystery bounty tournaments, a format 888poker helped pioneer in the online poker space. Of the 41 events, 26 will use the mystery bounty structure, continuing the site’s emphasis on this popular variant.
The series kicks off with the $109 buy-in Mystery Opening Event, carrying a $100,000 guarantee, at 6:00 p.m. BST on September 20. Once 888poker’s weekly flagship tournament, the event previously saw its guarantee lowered to $80,000 and had not returned to that figure until now, making this a notable increase for players.
Headlining the festival are two mystery bounty Main Events. The $250 buy-in Mystery Main Event carries a $300,000 guarantee, requiring roughly 1,300 entries to avoid an overlay. A lower buy-in option, the $25 Mystery Mini Main, guarantees $50,000 and needs just over 2,220 entrants to hit that mark.
Both Main Events will offer multiple starting flights, or Day 1s, beginning September 13, giving players several opportunities to qualify for the later stages.
Last year’s editions saw Romania’s “amormori” win the $250 Mystery Main Event for $55,782 after topping 2,319 entries, while “brocanuts” claimed the $25 Mystery Mini Main title for $6,077 following a field of 4,413 players.




