Look at the project. Add your projects that you want to submit to judging. They can not be remix of a platformer. They have to be an original project. It can be an old project you made. Go check out @grammyboy2117 's contest too!
First place is Spikey a mobile friendly platformer https://scratch.mit.edu/projects/41928675/
Second place is Smiles a platformer https://scratch.mit.edu/projects/49125172/
Third place is Spectacular square part 2