Steam Price $6.99
Release Date 1/17/2026
Developer DiaMMax Games
Publisher DiaMMax Games
Steam App Id 3538250

The Book of Plagues

The city is drowning in Plague. Panic, hunger, and fear are tearing it apart. You are the last one who can change its fate: heal it, hold it back from collapse… or drive it to ruin with your own hands!

Last Updated: 2/17/2026

1 Players In-Game
Player Score
73
16
2
Platforms
  • Windows
  • Mac
  • Linux
  • Steam Deck (Playable)

About The Book of Plagues

The Book of Plagues is a RPG, Indie, Adventure, and Simulation game developed by DiaMMax Games. On 1/17/2026, it was released on the Steam Store by DiaMMax Games.

It can be played and ran on Windows systems. At the moment, it is possible to play The Book of Plagues on the Steam Deck but some functionality may not be fully supported.

According to Steam’s category system, The Book of Plagues supports the following features:

  • Full controller support
  • Playable without Timed Input
  • Family Sharing
  • Steam Achievements
  • Single-player
  • Custom Volume Controls

From the Steam community, The Book of Plagues has been tagged with the following user tags:

  • Idler
  • Dark
  • Atmospheric
  • Multiple Endings
  • Story Rich
  • Visual Novel
  • Stylized
  • Medieval
  • Choices Matter
  • Dark Humor
  • Medical Sim
  • Bullet Hell
  • Simulation
  • Funny
  • Arcade
  • Politics
  • Outbreak Sim
  • Indie
  • Adventure
  • Singleplayer
  • 2D
  • Emotional

Media & Sceenshots

Watch the featured video for The Book of Plagues and see the latest screenshots from the Steam Store.

The Book of Plagues Featured Screenshot #1

Related Packages

The Book of Plagues is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.

NamePriceActions
The Book of Plagues$7.99View

Supported Languages and Localizations

The Book of Plagues is available in 2 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.

NameInterfaceAudioSubtitles
English
Yes
No
Yes
Russian
Yes
No
Yes
true

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Frequently Asked Questions

Soures & References

Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.

The Book of Plagues data has been sourced from:

  • Valve Corporation. (2026, February 17). The Book of Plagues on Steam. Steam Store.
  • Valve Corporation. (2026, February 17). The Book of Plagues. Steam Community Hub.

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