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 2023-3-25, 493 players remain.

The market resolves YES if/when the central pot is paid out. It resolves NO if/when the game is canceled for any reason, or if the central pot does not pay out by the end of 2099, which will stand in for "effectively never".