Press space or click to control Yanmega. If the bars glitch, run into one, wait for a while (5-6 seconds?), and then click the "Again?" button. Repeat until the bars don't glitch.
Yes, there is a goal of 15 points. I haven't worked out the entire thing yet, so there may be some bugs. Please report them to me in the comments section if you find one. DO NOT do this in turbo mode. You will automatically lose. The graphics are better in fullscreen mode.