Best Mystery Steam Deck Games
Steam currently has 10,138 Mystery games, but not all of them can be played on the Steam Deck. Explore our list with the best picks ranked by Player Score. Our Player Score rankings are calculated directly from reviews left on the Steam store and will be updated in real-time as more players leave their feedback. Mystery game rankings were last updated on 1/10/2026.
Looking for more? Explore other lists such as:
- Best mystery games on Steam
- Best mystery Steam games for Mac
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- Free mystery games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. DELTARUNE
Dive into the parallel story to UNDERTALE! Fight or spare your way through action-packed battles as you explore a mysterious world alongside an endearing cast of new and familiar characters. Chapters 1-4 will be available on launch, with more planned as free updates!
DELTARUNE holds the #1 spot for "best Mystery Steam Deck game" with a Player Score of 97. Its score was calculated by analyzing a total of 95,965 reviews on Steam. This breaks down to a total of 94,668 positive reviews and 1,297 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $24.99 to play and can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.
2. Chants of Sennaar
In this award-winning puzzle adventure game, play as the Traveler on a quest to reunite the Peoples of the Tower. Observe, listen, and decipher ancient languages in a fascinating universe inspired by the Myth of Babel.
Chants of Sennaar has achieved a Player Score of 96, placing it in the #2 spot for the best Mystery Steam Deck games. Its score was calculated by analyzing a total of 28,488 reviews on Steam. This breaks down to a total of 28,012 positive reviews and 476 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $11.99 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $11.99 |
| Release Date | 9/5/2023 |
| Franchise | Focus Entertainment |
| Developer | Rundisc |
| Publisher | Focus Entertainment |
| Steam App Id | 1931770 |
3. Stray
Lost, alone and separated from family, a stray cat must untangle an ancient mystery to escape a long-forgotten cybercity and find their way home.
Stray has achieved a Player Score of 96, placing it in the #3 spot for the best Mystery Steam Deck games. Its score was calculated by analyzing a total of 168,515 reviews on Steam. This breaks down to a total of 163,833 positive reviews and 4,682 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $17.99 to play and can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $17.99 |
| Release Date | 7/19/2022 |
| Franchise | Annapurna Interactive |
| Developer | BlueTwelve Studio |
| Publisher | Annapurna Interactive |
| Steam App Id | 1332010 |
4. Paper Lily - Chapter 1
Paper Lily is an RPG horror game in which you can solve puzzles in different ways. Explore a hidden world, meet strange characters, and guide Lacie as she attempts to find answers about her unusual condition.
Paper Lily - Chapter 1 has achieved a Player Score of 96, placing it in the #4 spot for the best Mystery Steam Deck games. Its score was calculated by analyzing a total of 8,030 reviews on Steam. This breaks down to a total of 7,959 positive reviews and 71 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is completely free to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
5. Öoo
A Bomb Caterpillar's Big Adventure! "Öoo" is a charming yet mysterious exploration puzzle platformer where you discover creative ways to use bombs!
Öoo has achieved a Player Score of 96, placing it in the #5 spot for the best Mystery Steam Deck games. Its score was calculated by analyzing a total of 5,369 reviews on Steam. This breaks down to a total of 5,338 positive reviews and 31 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.99 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $9.99 |
| Release Date | 8/7/2025 |
| Developers | |
| Publisher | NamaTakahashi |
| Steam App Id | 2721890 |
6. Phoenix Wright: Ace Attorney Trilogy
Become Phoenix Wright and experience the thrill of battle as you fight to save your innocent clients in a court of law. Play all 14 episodes, spanning the first three games, in one gorgeous collection.
Phoenix Wright: Ace Attorney Trilogy has achieved a Player Score of 96, placing it in the #6 spot for the best Mystery Steam Deck games. Its score was calculated by analyzing a total of 42,315 reviews on Steam. This breaks down to a total of 41,285 positive reviews and 1,030 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $29.99 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $29.99 |
| Release Date | 4/9/2019 |
| Developer | CAPCOM Co., Ltd. |
| Publisher | CAPCOM Co., Ltd. |
| Steam App Id | 787480 |
7. The Room
A mysterious invitation leads to the attic of an abandoned house. In the room is a cast-iron safe laced with strange carvings and on top, a note from your distant companion. It promises something ancient and astonishing concealed in the iron chamber - you need only find a way in.
The Room has achieved a Player Score of 96, placing it in the #7 spot for the best Mystery Steam Deck games. Its score was calculated by analyzing a total of 30,846 reviews on Steam. This breaks down to a total of 30,150 positive reviews and 696 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $0.74 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $0.74 |
| Release Date | 7/28/2014 |
| Developer | Fireproof Games |
| Publisher | Fireproof Games |
| Steam App Id | 288160 |
8. Project Kat - Paper Lily Prologue
Project Kat is a short, unconventional RPG horror game in which there is always another way. Solve puzzles, make friends (or not), and guide Kat as she attempts to uncover the mystery behind a strange golden letter.
Project Kat - Paper Lily Prologue has achieved a Player Score of 96, placing it in the #8 spot for the best Mystery Steam Deck games. Its score was calculated by analyzing a total of 5,740 reviews on Steam. This breaks down to a total of 5,697 positive reviews and 43 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is completely free to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
9. Neon White
Neon White is a single-player speedrunning FPS where you can sacrifice your guns for godlike parkour moves.
Neon White has achieved a Player Score of 96, placing it in the #9 spot for the best Mystery Steam Deck games. Its score was calculated by analyzing a total of 19,542 reviews on Steam. This breaks down to a total of 19,156 positive reviews and 386 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.99 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $9.99 |
| Release Date | 6/16/2022 |
| Franchise | Annapurna Interactive |
| Developer | Angel Matrix |
| Publisher | Annapurna Interactive |
| Steam App Id | 1533420 |
10. Persona 4 Golden
A coming of age story that sets the protagonist and his friends on a journey kickstarted by a chain of serial murders.
Persona 4 Golden has achieved a Player Score of 95, placing it in the #10 spot for the best Mystery Steam Deck games. Its score was calculated by analyzing a total of 83,569 reviews on Steam. This breaks down to a total of 81,077 positive reviews and 2,492 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.99 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
More Mystery Steam Deck Verified Games
Explore even more rankings for the 10 best Mystery games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 722 | 6/4/2025 | 97 | $24.99 | Steam Charts | |
| 373 | 9/5/2023 | 96 | $11.99 | Steam Charts | |
| 289 | 7/19/2022 | 96 | $17.99 | Steam Charts | |
| 19 | 1/26/2024 | 96 | Free | Steam Charts | |
| 40 | 8/7/2025 | 96 | $9.99 | Steam Charts | |
| 0 | 4/9/2019 | 96 | $29.99 | Steam Charts | |
| 64 | 7/28/2014 | 96 | $0.74 | Steam Charts | |
| 4 | 10/15/2021 | 96 | Free | Steam Charts | |
| 97 | 6/16/2022 | 96 | $9.99 | Steam Charts | |
| 0 | 6/13/2020 | 95 | $9.99 | Steam Charts |
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Reviews and rankings are enriched, analyzed, and updated in real-time to ensure we surface the most up-to-date insights. Learn more about the Steambase approach to data collection and our review methodology.
- Valve Corporation. (2026, January 10). Steam Store. Steam Store.
- Valve Corporation. (2026, January 10). DELTARUNE on Steam. Steam Store.
- Valve Corporation. (2026, February 22). Chants of Sennaar on Steam. Steam Store.
- Valve Corporation. (2026, February 22). Stray on Steam. Steam Store.
- Valve Corporation. (2026, January 15). Paper Lily - Chapter 1 on Steam. Steam Store.
- Valve Corporation. (2026, March 3). Öoo on Steam. Steam Store.
- Valve Corporation. (2026, March 3). Phoenix Wright: Ace Attorney Trilogy on Steam. Steam Store.
- Valve Corporation. (2026, February 19). The Room on Steam. Steam Store.
- Valve Corporation. (2026, February 20). Project Kat - Paper Lily Prologue on Steam. Steam Store.
- Valve Corporation. (2026, February 22). Neon White on Steam. Steam Store.
- Valve Corporation. (2026, February 13). Persona 4 Golden on Steam. Steam Store.