A downloadable game for Windows, macOS, and Linux


More than 50 minigames and chess-based puzzles

Let yourself be guided by the story of a king seeking vengeance. Go from rookie to expert effortlessly. An easy way to get into the world of chess, but a surprising challenge for advanced players.

Features

  • Play against the computer. The difficulty adapts to your experience
  • Two player mode to play with your friends on a single device
  • Online multiplayer to compete on the Internet
  • Different variants of chess: Silverman, Gardner, Los Alamos, Baby, ...
  • Plus classic chess
  • Checkmate puzzles in 1 or 2 moves
  • Levels with limited-time per turn
  • Story mode guided by an epic adventure
  • Free mode to easily select your favorite levels
  • Web levels editor. Create and share levels with your friends
  • Keyboard, mouse and gamepad support
  • Translated into 6 languages

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MacOS users:

The Mac version has not been tested.

Because this is an unsigned application, you must hold down the "control" or "ctrl" key on your keyboard when you start the game app for the first time.

Download

Download
biroix_win-0.16.0.zip 106 MB
Download
biroix_linux_x86-0.16.0.tar.gz 109 MB
Download
biroix_linux_arm-0.16.0.tar.gz 108 MB
Download
biroix_mac-0.16.0.zip 101 MB
Download
biroix-0.16.0.jar (for Java 17) 67 MB
Download
01_gnu_pieces.jar (mod) 52 kB
Download
02_takako_pieces.jar (mod) 23 kB

Also available on

Development log

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