Oh yeah, and shameless plug for my 6502 IDE which draws a pseudo-3D road on the Atari 2600 :) http://8bitworkshop.com/?platform=vcs&file=examples%2Froad
I'd better get away from it before I "forget" that I have deadlines to stick to.
Love the thought of it, doubt I'll ever.
http://playdosgamesonline.com/lotus-the-ultimate-challenge.h...
(runs in the browser)
I presume you've seen https://archive.org/details/softwarelibrary_msdos_games
Work your way into a problem until you don't know the answer to something. Then keep experimenting with half-ideas and hunches. If you're still stuck, read some about how someone else did it; the math will be easier to tie into your own experiences, and you'll get more out of it.