Talu

Talu is an abstract strategy game defined as a complete and internally consistent system of rules, notation, and competitive structure.

This site hosts the canonical materials for the game, including the full text of Talu: A Game Of Strategy, its source files, build scripts, and formal specifications. All materials are provided openly for reading, study, implementation, and adaptation.

Primary contents:
https://talu-game.eu/book/

The game itself, as an abstract system of rules, is part of the cultural commons. The written materials are distributed under an open license.
See the book for details.