Game: 4-Player Tron
I re-implemented the classic game Tron to support 4 players. We used to play a Flash version of the game at school but it was only for two players, so I decided to make my own version.
Check out the source code and download the game as a .jar here.
When I dug out this repo after copying it for years from laptop to laptop, I was pleasantly surprised to find that .jar file that I built back then still works! I built it on Windows, later stored it on a Linux laptop and finally copied it over to my current Macbook, where it worked just fine 12 years after being built. Java does have some things going for it.