Sinistrous
Discover an ancient dungeon and battle eldritch horrors in this Lovecraftian deck-builder. With each new adventure, face a unique and randomized assortment of mystifying events, phantasmal environments, and perplexing creatures.
Last Updated: 8/28/2025
| Developer | Rice Games |
| Publisher | Rice Games |
| Steam App Id | 1427740 |
About Sinistrous
Sinistrous is an Adventure, RPG, and Simulation game developed by Rice Games. It was released on the Steam Store by Rice Games.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Sinistrous supports the following features:
- Steam Cloud
- Stats
- Full controller support
- Steam Achievements
- Single-player
- Family Sharing
Media & Sceenshots
Watch the featured video for Sinistrous and see the latest screenshots from the Steam Store.

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Soures & References
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Sinistrous data has been sourced from:
- Valve Corporation. (2025, August 28). Sinistrous on Steam. Steam Store.
- Valve Corporation. (2025, August 28). Sinistrous. Steam Community Hub.
- Rice Games. (2023, July 16). Sinistrous. Sinistrous.