i have fun participating in web-based code jams, so i think it might be fun to make something for a game jam too
game jam calendar on itch (too many!! aaaaaa) & direct link to jams joined
regularly occurring
- bitsy jam - for games made in bitsy (monthly)
- decker jam - for games(&more) made in decker (every july and december)
- minijam - 72 hours, themes, limitations (fortnightly)
- nanoreno - visual novel jam (yearly, march)