Here's a neat trick that a childhood favorite game of mine used to get around the fact that it did not have real-time lighting.

https://www.reddit.com/r/KingdomHearts/comments/ls01gk/the_original_kingdom_hearts_on_the_ps2_2002_didnt/

Just looking over some of the heuristics in the video, I think many of these are still used. I recall in cs148 it was discussed, that in some scenarios the compute is now worth the quality.