About Trigammon™

Trigammon is a three-player backgammon-style strategy board game concept originally developed by William Bailey and Dennis Angelica in the late 1970s. The current Trigammon project has been refined by William Bailey for modern tabletop and digital play.

Trigammon is being developed as an independent game project, with a focus on strategic movement, timing, blocking, risk and player interaction inspired by traditional backgammon.

TrigammonX™ is the digital version of Trigammon, designed for online play, modern interfaces and optional game variants.

Trigammon™ and TrigammonX™ are independent projects of William Bailey. They are not affiliated with, endorsed by, or connected to any other three-player backgammon games, variants, patents, publications or products.

Origins

The original Trigammon concept began in the late 1970s as a three-player approach to backgammon-style play. It was developed as a way to explore how the timing, movement and strategy of traditional backgammon could be adapted for three players.

Modern Development

William Bailey has continued refining the Trigammon project for modern tabletop design and digital gameplay. The current development work includes board layout, game rules, visual design, player interaction, software prototypes and future play-testing.

TrigammonX Digital Version

TrigammonX™ is the digital version of Trigammon. It is being designed for online play, modern screens, player testing and optional game variants.

Current Status

Trigammon and TrigammonX are currently in prototype and development. Public access and sales are not yet available.

Initial development and intended release are Australia-focused. Trigammon and TrigammonX are not currently offered for sale in the United States.

Last updated: July 2026