A program that grants points for using Bing search, which users can redeem for gift cards, sweepstakes entries, or charitable donations.
Thanks for the additional details! I wasn't able to find any official Microsoft documentation indicating where this specific puzzle has been moved or whether it has been discontinued.
But if you are referring to the puzzle on the Microsoft rewards, I do found a thread about it here: https://learn.microsoft.com/en-us/answers/questions/2348602/microsoft-rewards-puzzle-removed-again
Microsoft can make changes to the Microsoft Rewards experience over time, I also see on this thread that other community members have reported that certain Rewards activities and puzzle-related features have disappeared or changed following updates to the Rewards dashboard.
As fellow members of the Microsoft Community, I don't have access to Microsoft Rewards accounts or information about upcoming features, changes, or discontinued activities. If you're looking for confirmation on whether the puzzle has been removed, relocated, or is planned to return, the best course of action would be to contact the Microsoft Rewards Support team directly.
You can reach them here: https://rewards.bing.com/support