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Add doc pages for notable Atari environment sets #733

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Add doc pages for notable Atari environment sets #733

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480b646
Add doc pages for notable Atari environment sets (#708)
BolunDai0216 Aug 23, 2026
836d04b
Move set pages to a separate Environment Sets dropdown; rename Gym page
BolunDai0216 Aug 30, 2026
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12 changes: 12 additions & 0 deletions docs/environments.md
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,9 @@ lastpage:

```{toctree}
:hidden:
environments/complete_list
environments/atari_57
environments/gym
environments/adventure
environments/air_raid
environments/alien
Expand Down Expand Up @@ -117,6 +120,15 @@ environments/zaxxon
:file: environments/list.html
```

## Environment sets

Research papers rarely benchmark on all of the games the ALE supports, several well-known subsets are used instead.
The pages below list the games belonging to each notable set:

- [Complete list](environments/complete_list) — all 104 games supported by the ALE.
- [Atari 57](environments/atari_57) — the 57 games used by DeepMind to benchmark agents, from DQN through Agent57.
- [Environments previously in Gym](environments/gym) — the 62 games that were registered in OpenAI Gym.

## Action Space

Each environment will use a sub-set of the full action space listed below:
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