Cthulhu: The Cosmic Abyss – Arkham Horror TTRPG Scenario
Extend the adventure with a full, exclusive scenario entitled "Descent", designed for the popular Arkham Horror tabletop role-playing game. Play as new Ancile investigators facing an occult threat directly linked to the game's universe.
| Type | DLC |
| Developer | Big Bad Wolf |
| Publisher | Nacon |
| Last Updated | 4/16/2026 |
| Steam App Id | 4339020 |
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About Cthulhu: The Cosmic Abyss – Arkham Horror TTRPG Scenario
Cthulhu: The Cosmic Abyss – Arkham Horror TTRPG Scenario is an Adventure DLC developed by Big Bad Wolf. It was released on the Steam Store by Nacon. Cthulhu: The Cosmic Abyss – Arkham Horror TTRPG Scenario can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this dlc app.
Cthulhu: The Cosmic Abyss – Arkham Horror TTRPG Scenario also supports 10 languanges in-game including English, French, and Italian. Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, Cthulhu: The Cosmic Abyss – Arkham Horror TTRPG Scenario supports the following features:
- Single-player
- Family Sharing
- Downloadable Content
Media & Sceenshots
Explore the featured video and screenshots from Cthulhu: The Cosmic Abyss – Arkham Horror TTRPG Scenario featured in the Steam Store.
DLC & Related Apps
Cthulhu: The Cosmic Abyss – Arkham Horror TTRPG Scenario is referenced by 1 other related app in the Steam Store.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | Cthulhu: The Cosmic Abyss | Game | 4/16/2026 | Steam Charts |
Related Bundles
Cthulhu: The Cosmic Abyss – Arkham Horror TTRPG Scenario is included in 1 bundle in the Steam Store.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | Upgrade to R'lyeh Edition | 4 | 0 | $9.84 | View |
Supported Languages and Localizations
Cthulhu: The Cosmic Abyss – Arkham Horror TTRPG Scenario is available in 10 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| French | Yes | No | Yes |
| Italian | Yes | No | Yes |
| German | Yes | No | Yes |
| Spanish (Spain) | Yes | No | Yes |
| Japanese | Yes | No | Yes |
| Korean | Yes | No | Yes |
| Portuguese-Brazil | Yes | No | Yes |
| Russian | Yes | No | Yes |
| Chinese (Simplified) | Yes | No | Yes |