The game of Porcupine.
This is like Mastermind. Pick your colors on the bottom row first, press the "Try" button and see your results. White result means right color, right spot. Black means right color, wrong spot.
Reload or refresh the page to start over. Good luck
I wrote the game originally in November of 1996, with Visual J++ 1.0, using JDK 1.0. It was updated to JDK 1.1 in 1998. Pretty good for a first java app, I think. Here is the source.