You can run PICO-8 on a Raspberry Pi today. Still a "retro" feel, but they are all new games being written for the platform.
https://www.lexaloffle.com/bbs/?tid=3085
Identifying programmers based on their style is different than assuming people with a certain style exhibit certain personality traits. Programmer A and Programmer B could have almost identical styles, but that doesn't mean they have similar personalities.
You could take a look at exercism.io. I just started the exercises on there yesterday so I don't have an informed opinion on whether they are good or not overall, but it might be what you're looking for.
Love it. One typo I noticed in the image section, "Graphics and icons can be used either as ornaments to support your content, or take actively part in the message you want to convey".
https://en.m.wikipedia.org/wiki/A_Deepness_in_the_Sky#Locali...