Hi! I'm sorry that the discord link didn't worked, I add it here again, meaby the old one is broken: https://discord.gg/MzgSXqVf
ABout the time lenght yes, at least for this first edition the 3 minutes constraint is mandatory, but we have discussed in the server to make it less restrictive for the next jam. I also noticed that meaby this rule was not clear enough so I will upload some faq also here