Gomoku (Five in a Row)
Line up five stones before the computer does.
Board Games
Mahjong, chess, go and gomoku against a computer opponent with adjustable strength, from beginner to punishing.
Chess Hall
Chess, Chinese chess, go and gomoku against a tunable AI.
Mahjong
Four-player mahjong with AI opponents and a scoring guide.
International Draughts (Dames)
The 10×10 jeu de dames: backward captures, the majority capture rule and flying kings.
Janggi
Korean chess: cannons that jump, palace diagonals and the bikjang showdown.
Jungle Chess
Dou Shou Qi, the Chinese animal chess: the rat eats the elephant, lions leap the river, the den wins.
Renju
Five in a row with the classic forbidden moves for Black — the tournament form of gomoku.
Shogi
Japanese chess with drops: captured pieces join your army. Full 9×9 shogi and 5×5 minishogi.
Siguo Junqi (Four-Player Army Chess)
The Chinese four-army battle game: two teams, hidden pieces, bombs, landmines and railway engineers.
Yut Nori
Korea's New Year stick game: throw the yut, take the shortcuts and send rivals home.
Backgammon
Race your fifteen checkers home, hit the computer's blots and bear off first.
Checkers
Jump, capture and crown kings — American, international and Brazilian rules.
Chinese Checkers
Hop your marbles across the star and fill the far point first.
Dominoes
Match the ends, block your opponent and race to 100 points.
Dots and Boxes
Draw lines, close boxes and take the last chain from the computer.
Ludo
Roll, race your four tokens round the board and knock rivals back to their yard.
Mancala
Sow seeds around the board, chain extra turns and capture your way to the bigger store.
Nine Men's Morris
Form mills, take men and corner your opponent on the classic three-square board.
Tic-Tac-Toe
Three in a row wins — against an easy or unbeatable computer, or a friend.
Yacht Dice
Roll five dice, hold the best and fill a 13-box scorecard for the biggest total.
Chess
Classic chess against an AI from Novice to Grandmaster.
Chinese Official Mahjong
The competition rules: 136 tiles, 81 scoring patterns, 8 fan to win.
Four in a Row
Drop your discs and line up four before the computer does.
Go
Surround territory on a 9×9 or 13×13 board against the computer.
Hong Kong Mahjong
Fan-based scoring, capped at 8 fan, with limit hands at 13.
Reversi
Flank the computer’s discs and flip the board to your colour.
Riichi Mahjong
Japanese four-player mahjong: declare riichi, you need a yaku to win.
Sea Battle
Hide your fleet, hunt the enemy ships and sink all five.
Sichuan Mahjong
Bloody battle rules: 108 tiles, pick a void suit, keep playing after a win.
Taiwanese Mahjong
16-tile mahjong with flowers: five melds and a pair.
Xiangqi (Chinese Chess)
Chinese chess with the full rule set, against an AI you can tune.
Play online
These games can also be played live against other players in the online lobby, with free daily points and experience for every finished game.
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Xiangqi (Chinese Chess)
Online Xiangqi: red moves first, and every rule, from flying generals to blocked horses and elephants, is enforced by the server. Offer a draw or resign, with a time limit on each move.
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Chess
Online chess supports castling, en passant and promotion, and checkmate, stalemate, threefold repetition and the 50-move rule are detected automatically.
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Go
Online Go is played on a 9×9 board, so a game takes about a quarter of an hour. It uses Chinese area scoring with 6.5 komi, and the board is counted automatically after two passes.
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Gomoku (Five in a Row)
Online Gomoku is played on a 15×15 board with freestyle rules: the first to line up five stones in a row, column or diagonal wins, and a game takes just a few minutes.