SpielViz is an interactive viewer for OpenSpiel games.

It is based on xdot.py, a GraphViz's viewer in Python.

Beware that you might not be able to display some games with large branching factor and tree lookahead (like Go).

Run as:

pip install -e .
python -m spielviz

PRs are welcome! Feel free to open an issue and state you'd like to contribute. I will be working on this project probably very sporadically.

• Make a warning when building a large graph, show only a subset.
• Show information about the pyspiel.Game.
• Use customizable Observer to show observations in the games.
• Use keyboard to move withing the Graph (acejump-style).
• Add custom game views (state view components) -- down_class python bindings for specific games.
• Show mapping to public / private trees.
• Create a CLI interface that jumps to specific positions in games.
• Add a GUI history.
• Add a game transformation to OpenSpiel that acts as an action factorization so that we can show games with large branching factor nicely.
• Add game parameter autocompletion.
• Make graph presentation more nice -- label sizes, edge expansion location, colors, shapes, highlights, etc.
• Add support for bots, showing probabilities of movements / other stats.
• Create a snap package and publish in Ubuntu repo.

• Arbitrary loading of games (and game transformations).
• Jump to specific history.
• Shows detailed information about pyspiel.State.
• Since it doesn't use bitmaps it is fast and has a small memory footprint.
• Arbitrary zoom.
• Keyboard/mouse navigation.
• Highlights node/edge under mouse.

See INSTALL.md for details.

We use Semantic Versioning, but no version has been released yet - the code is under pure development phase for now.