You need to click through the rankings to see the game in action, so here's a quick link to a recent one: https://halite.io/game.php?replay=ar1478809038-259229998.hlt
Related: it seems the winning strategy here is to surround your opponents. Is there any possible way to come back from being surrounded?
There was a small reddit that used to keep track of games and competitions like this: https://www.reddit.com/r/gameai/
The devs are actively monitoring the site's forums and you might want to take this there.
Or at least a C API, so we could bind it ourselves.
At launch, there were starter packages for Python, Java, C++, Scala, and Rust. There's a page describing how to add support for additional languages:
A few days ago, one competitor submitted the C# package. I wrote the Clojure one today and should have it up soon.