Planet Jumper is a prototype, gravity based 2D platformer.
Felix Szczesny did the art and I did the programming. We made this at the June 2017 Berlin Mini Game Jam. The jam was 7 hours long and our prompt was "the sun is too hot".
Planet Jumper works as a proof of concept for a game that could be made. Clearly there would be a lot to be done before this could be fully featured. Just to begin with, the physics needs to be tuned to me more forgiving and communicable. Beyond that some twists on the main mechanic would have to eb introduced before you could make a reasonably sized game out of this. I'm happy with the work Felix and I did in 7 hours.