[scrollaway]

Excellent list.

> - Should be easy to reset the environment to an initial state.

Adding on to that, the ability to rewind the game state is a pretty big deal.

The biggest deal for AI researchers though is that you implement a replay function and format, and publish lots of tooling around them (to read and parse them, etc; at least in Python).

Also, if it's an online game, save the replays serverside and publish them somewhere. Kaggle will be happy to take it I'm sure.