WHAT IT'S ALL ABOUT:
Just make a 3D game for others to play, and let the community vote.
Idea - How strong was the idea behind the game?
Execution - How well was this idea used to make the game?
Quality - How good was the game overall?
(The entire Itch.io community can vote.)
Either as a downloadable file, or playable in the browser. (you can also do both.)