Sometimes you just gotta jump jump
Back in June I created a simple jump game from the 1-bit platformer pack by Kenney.nl. I never finished it, but here is a look:
I'd like to expand on this on as it is a pretty good challenge to just use black and white for your color scheme in a game.
You can grab the asset pack here:
Screen shot from Kenney.nl on what could be a fun game if created.