I am creating a local multiplayer platformer game, where the players scramble to collect coins and gems that randomly appear throughout the level. It is inspired by the old Super Mario Bros Battle Mode, but with more emphasis on moving fast to collect lots of treasure, not trying to make the other player die. If I have enough time, players will be able to bump into each other, throw items, and trigger trap walls and platforms to try to slow down the other players. If I don't have time for all that, it will simply be a race to see which player can navigate the level fastest. I am going to try to make 2 or 3 levels, and have a simple text-based level format so other people can create their own custom levels.
Here is a mockup I made with the sprites I am using (from Kenney Game Assets), just to give a taste of what it will be like:
As I mentioned in the Introductions thread, I am using CHICKEN Scheme and the SDL2 bindings that I have been developing. Also, I am writing about the jam on my blog, one or two posts per day as I make progress.