Well hello. I was in the middle of making a game with a very similar premise lol, apparently a few of those are around, but I do think the Countdown gameplay of 6 numbers is 'too difficult', you can't make poor guesses and still win like in Wordle.
How does the "app" feature work? Was it easy to make (given a static site)?
To make the site work as an 'app' you just need it to conform to the PWA (Progressive Web App) guidelines, and handle the install prompt. There's a good guide here:
kirchhoff|4 years ago
https://developer.mozilla.org/en-US/docs/Web/Progressive_web...
main_gi|4 years ago