I made them a quick presentation on how to evolve an idea from theme to mechanics, and I'm pretty proud of that cover page. Lemme know if you'd like me to share it here! ✨
Here we go, how to get an idea from theme to mechanics, in a game jam!
(Sidenote: it sort of applies to commercial game design, but then you'd probably have to add a lot of market analysis and player expectation research steps in there)
(Of course some designs are just bad, and yeah move on from an idea if it really yields nothing at all!)