Dug out of my archives for everyone to see, now that I don't have a place to host it anymore - behold Dan Dan Revolution. The controls are fairly simple, just hit the arrow key (or letter A) when the matching symbol hits the center of the blue box in the top left of the screen. Ignore the "Give these people no credit" notice, This thing's old and I've since migrated to Mac OS X and lost some of the older fonts I used here, so republishing it would make half of the text magically dissapear. Updated - The special secret bonus is for clearing (i think) 21000 points by the end of the pokemon segment instead of 16000. Forgot about that, It's been a year or so. Also, the secret code for the start screen is 'pascal' which randomizes the arrow directions.
The artists/composers on the audio track are Koji Kondo, Weird Al Yankovic, the Sailor Moon singers, and several random techno remixers who's MP3's weren't ID3 tagged when I pulled them off of Napster.