Since the theme is Gravity, I decided to make a planetary gravity-based game for cleaning up litter.
The game Is finished now, so here’s a video:
The game does have sound, just the recording doesn’t.
You can download the game here: https://drive.google.com/open?id=0BxYUKrQsNFSbaHJ6cVY3MmtGRkE
I hope you like it!