It was designed to handle mostly abstract strategy board games or puzzles.

[4] After parsing the rules of the game, the system's artificial intelligence can automatically play one or more players.

These include a lot of popular board games, such as Alquerque, Fox and geese, Go, Gomoku, Jungle, Halma, Nim, Nine men's morris, Reversi, Tafl and Tic-tac-toe.

It also include some puzzles, such as 15-Puzzle, Towers of Hanoi, eight queens, and a variety of Solitaires.

The available win, loss, and draw conditions include checkmate, stalemate, repetition, piece capture, absolute configuration, relative configuration, and various types of piece count.

It is for games like Go, Reversi, and Tic-Tac-Toe, which routinely allow users to add new pieces to the board.

These engines can then use opening books or other features unavailable to the standard AI.