Go with a retro feel and a space theme to get bonus points. 

Myself and some other judges pulled from the Game Dev Club, will be scoring the games in 5 categories:

1 - Overall Score

2 - Design/Game Feel

3 - Fun

4 - Art/Audio

5 - Creativity

The team with the game that is rated the best will receive a mystery prize!

Any questions please e-mail me at SecondLoot@gmail.com

Feel free to use the CrowdForge Page:

https://crowdforge.io/jams/planetarcadejam