Question: Is there any information that can be used to identify Open Spiel supports?

[Hidetomi]

I am not familiar with game classification.

For example, I want to add tetris.
But I don't know if Tetris applies to the classification described in Open Spiel supports. Is there any information that can be used to identify it?

Thank you.

[lanctot]

Hi @Hidetomi , yes! The best place to read further on the formalisms that OpenSpiel uses (i.e. those linked from the page you linked) is the OpenSpiel paper.

Tetris is an interesting one! It can be modeled as a single-player extensive-form game (with chance eventsm required to determine the next block). I would recommend looking at the catch game, which is the closest to Tetris we currently have.

The only tricky thing is that there is no notion of a time-limit or any real-time execution / constraints in the game implementations themselves. So in OpenSpiel, the game would be turn-based (like catch) and any real-time elements (such as time-limits imposed on an agent's decision, and default no-op moves if the agent doesn't respond in time) would need to be handled externally in a a main loop between agent and environment, which would be fairly straight-forward.

Feel free to ask any questions if this is not clear!

[Hidetomi]

Hi @lanctot , Thank you!

The only tricky thing is that there is no notion of a time-limit or any real-time execution / constraints in the game implementations themselves. So in OpenSpiel, the game would be turn-based (like catch) and any real-time elements (such as time-limits imposed on an agent's decision, and default no-op moves if the agent doesn't respond in time) would need to be handled externally in a a main loop between agent and environment, which would be fairly straight-forward.

I am very happy to know that. First read a paper and try to understand open_spiel.