This theme is fantastic - it drives creativity. Simply by getting you to juxtapose genres in a particular way to see what doesn’t fit! Then think of idea’s that are achievable in the given time. Repeat until you land on something you think might be fun and wow, it’s already going to be fun simply on the merit of it’s wacky genre combination.
I’ve started to work on a Turn-Based Strategy Game that is actually a Text Adventure made using Twine. We’ll see where it gets to by the end of the jam. I started working on it after dinner. Here’s some screenshots as I log off for the day: