The game rules are as follows: no illegal ko moves, no suicides, and area scoring. The GUI is flexible and users can opt to play on any size board they please. Users can also opt to play 2 player with a friend locally. Users can play against BetaGo, an AI that is built with the Monte Carlo Tree Search technique and can run 500 simulations/sec. BetaGo is a graphical user interface for the game of Go with a built-in AI.