I actually started working on that with some of my friends, here's a link: https://github.com/Carbocarde/games

We were planning on eventually making it into a website and doing a leaderboard.

The program works by having agents that write to stdout and a game that reads from stdin. That way we can kinda avoid some of the security issues around running untrusted code.

Still has a lot of work to be done before it's ready to simulate battleship :)