Also, what does "IP" in "Original IP" short for?
Viewing post in Rule 3: Story Requirements
IP means Intellectual Property.
In the context of this Jam, it means a story and characters that came from someone’s mind.
For example, my Non-Jam VN IBWHIP, is my own Intellectual Property because I made it up.
The ever-famous Adastra Series is Howly and HAPS’s IP that they own.