I think Apple Arcade and similar are already doing this. Games on there are free from microtransactions/ads.
I think "The Search for Planet X" might meet (or come close to) your criteria. https://boardgamegeek.com/boardgame/279537/search-planet-x Players make guesses on their phone and only they know the result
https://github.com/sveltejs/svelte/issues/3820
I think Apple Arcade and similar are already doing this. Games on there are free from microtransactions/ads.
I think "The Search for Planet X" might meet (or come close to) your criteria. https://boardgamegeek.com/boardgame/279537/search-planet-x Players make guesses on their phone and only they know the result
https://github.com/sveltejs/svelte/issues/3820