You might be interested in this topic, with ton of recommendations: https://retropie.org.uk/forum/topic/17047/share-your-hidden-gems-and-insider-tips
Guys, Memphis Math. Thanks to RetroPie I was able to play this for the first time in 15 years or more. Sheesh. Anyone remember playing this? I think I have the only video of it on the internet.
Memphis Math: Treasure of the Tombs