This is pure physics, no annoying music, or anything else, it is 95% code and a and face made of 10 lines. This is why it has no file size. It's not too much a game. I ll make better games with this engine, but this is my first one.
And now it also has music. I love banjo. Thx to the artist.
Use the Arrow Keys to move. It saves your highest jump on your computer.