Use the up and down arrows to move. Press space to shoot balls. You can shoot a ball every 0.5 seconds. Shoot at the black balls to gain more balls. if a black ball touches your edge you lose 5 balls. You lose if you get to 0 balls. So far you cannot win.
Music from Soundcloud.com https://soundcloud.com/jakedeath/the-sound-of-silence https://soundcloud.com/dj-striden/dj-striden-contrast https://soundcloud.com/bxdn/the-tree-of-life
