Mythos, Book One
An "adult" murder mystery urban fantasy comedy visual novel! Lisa Harrison (your ex-girlfriend) is dead, and you have a feeling there's more to it than meets the eye. As you search for answers surrounding Lisa's death, you discover a hidden magical world lurks within modern-day Baltimore.
Last Updated: 8/4/2025
| Steam Price | $12.99 |
| Release Date | 6/17/2025 |
| Developer | Nine of Swords Studios |
| Publisher | Nine of Swords Studios |
| Steam App Id | 3213410 |
Mythos, Book One
An "adult" murder mystery urban fantasy comedy visual novel! Lisa Harrison (your ex-girlfriend) is dead, and you have a feeling there's more to it than meets the eye. As you search for answers surrounding Lisa's death, you discover a hidden magical world lurks within modern-day Baltimore.
Last Updated: 8/4/2025
- Windows
- Mac
- Linux
- Steam Deck (Playable)
About Mythos, Book One
Mythos, Book One is a RPG, and Indie game developed by Nine of Swords Studios. On 6/17/2025, it was released on the Steam Store by Nine of Swords Studios.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Mythos, Book One on the Steam Deck but some functionality may not be fully supported.
According to Steam’s category system, Mythos, Book One supports the following features:
- Single-player
- Family Sharing
- Steam Achievements
- Steam Cloud
From the Steam community, Mythos, Book One has been tagged with the following user tags:
- Text-Based
- Interactive Fiction
- Lore-Rich
- Multiple Endings
- Story Rich
- Visual Novel
- Realistic
- LGBTQ+
- RPG
- Narration
- Choices Matter
- Nudity
- Romance
- Choose Your Own Adventure
- Sexual Content
- Detective
- Funny
- NSFW
- Cinematic
- Female Protagonist
Related Bundles
Mythos, Book One is included in 2 bundles in the Steam Store. Purchasing through a bundle can give a large discount off the game's base price if you are willing to purchase multiple apps all at once.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | Romance, Powers and Mysteries | 2 | 2 | $19.67 | View |
| Ginger World Order | 4 | 4 | $45.01 | View |
Related Packages
Mythos, Book One is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| Mythos, Book One | $10.00 | View |
Supported Languages and Localizations
Mythos, Book One is available in 2 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| French | Yes | No | Yes |
Discover Similar Games
Find a new game to play just like Mythos, Book One through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to Mythos, Book One.
Features & Categories
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.
Mythos, Book One data has been sourced from:
- Valve Corporation. (2025, August 4). Mythos, Book One on Steam. Steam Store.
- Valve Corporation. (2025, August 4). Mythos, Book One. Steam Community Hub.
- Nine of Swords Studios. (2024, September 14). Mythos, Book One. Mythos, Book One.