Most of mine tend to follow this format:
filename: brief description
More in-depth description and rationale if needed
It's not often where I will modify multiple files within a single commit, but if I do, I will typically use a section or subsystem name rather than a single filename.
SNKRX for me. Minute to minute gameplay is very simple -- all you do is steer your train of dots left and right around a small arena, but the depth of strategy and the skill cap is surprising. I got many hours out of it. Also there is a mobile version!
If you like Outer Wilds check out The Forgotten City. It's somewhat similar in terms of the gameplay loop and is also good for short or long sessions.
LE. Got it in my cart right away but ran into issues and got to finish the order about 45 minutes later. Shipped and scheduled to be delivered tomorrow!