Can we make a 2d game for it? And How can we submit the pitch without game prototype?
I think you make the video and submit that through the submissions
Yes, you can make a 2D game. To submit your pitch, upload your video somewhere and share a link to it in your submission.
but I only want to submit the pitch for now... And later in episode 2 I will upload the prototype game.
You don't have to submit the prototype with the pitch video.