I never heard of a game jam before this started, and then there was an invite in my email. Have I learned enough about Ruby to complete a game before the deadline?
I faced challenges implementing Classes and Modules with symbols and hashes in a way that prevents slow performance from constant looping.
Thanks to other posts here I discovered worlds of information, like this one that lists every mistake I did make:
https://itch.io/jam/january-2016-lisp-game-jam/top...
I ran the marathon and completed it. Now I run it again!