I have a copy of Stellarium on my laptop
It lets me look at the sky, run forwards and backwards in time and show important event.
One of the other things it does is show the constellations. Not just the ones we probably know a few of in the west but from a large number other cultures.
Other than...
Maybe I am missing something [highly likely] but I cannot see what “mental condition” you are talking about.
If you are talking about the mundane, then I am with you.
Having a character collect the equivalent of Fridge magnets [and not powerful relics] sound kind of fun.
Or maybe the small...
There was a Star Wars game on the N64 that I liked.
I stopped playing video games more than a decade ago* so any remaking will be lost on me.
* If you don't included getting schooled by 9yos on Wii sports games
In the 80s I did get to see one day of a West Indies vs England Test match at the Oval. It was amazing. The crowd on both sides was loud, engaged and friendly [and ever so slightly drunk by the end].
I just don’t have the time to watch Test Matches now [and they are usually behind a paywall]...
The smartest person I was every lucky enough to call a friend was also the friend most likely to walk in to closed doors.
And they did that twice within my sight.
I think being silly is very different from being funny.
I'd look to comedians that you find funny and work out what they do and if you can add that to what you want to do.
My favourite comedian is the long dead Irishman Dave Allen
I don't think he ever told a joke but make me laugh every time...