I considered different engines for that.

I mocked up multiple scenes in INSTEAD. Some people might even have access to the source code of the game. I didn't finish it.

Then I thought of Decker, that cool HyperCard derivate. People reported that it uses too many computer resources to run. What?

What about that uxn presentation format? Is it 1bit too?

Maybe 4 colors is better than 2. Maybe I shouldn't limit myself with that, because I draw on paper with markers, and that's many colors