Well, why not check out the next week: https://itch.io/jam/weekly-rainbow-jam-week-10
Also check out this very kewl jam! https://itch.io/jam/the-rainbow-jam-october
What the hell is that supposed to mean? Oh, this is a game jam repeating weekly, where your main challenge is to make a game in O N E week, where it has to be C O L O R F U L, (seriously).
There will also be a theme, which you should also use. When the jam is over, the games will be voted on, by how much it follows the theme, and how colorful it is!
No of course not! Use any game engine or art program you want!
Here is some examples:
I think you get it now