https://tontine.cash/ is a MSCHF game. On 2021-12-27, 7141 players each paid $10 into a central pot and have been required to check in at least once a day by midnight EST/EDT or else be eliminated. The last remaining player will win the pot. As of 2023-11-26, 327 players remain.
The market resolves YES if the living count is 311 (1/23 of the original population) or less as of 12:05 AM EST on 2024-12-21, and NO if the living count is 312 or more at that time. It resolves early to YES if the living population should fall to or below 311 before that time, and to N/A if the game is canceled for any reason.