Topic: Sci fi
Construct:https://www.scirra.com/
Scratch:https://scratch.mit.edu/
Scratch file to html :https://sheeptester.github.io/htmlifier/
Screen recorder: https://screenapp.io/#/

Your game must be able to be played in the browser and made on scratch or Construct els it is disqualification.
also must have a video of you making the game to qualify if you use scratch.