Best Mystery Steam Deck Games
Steam currently has 9,987 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
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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 94,108 reviews on Steam. This breaks down to a total of 92,848 positive reviews and 1,260 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 27,981 reviews on Steam. This breaks down to a total of 27,510 positive reviews and 471 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $19.99 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 | $19.99 |
| 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 167,610 reviews on Steam. This breaks down to a total of 162,959 positive reviews and 4,651 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $29.99 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 | $29.99 |
| 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 7,889 reviews on Steam. This breaks down to a total of 7,821 positive reviews and 68 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. 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 #5 spot for the best Mystery Steam Deck games. Its score was calculated by analyzing a total of 41,784 reviews on Steam. This breaks down to a total of 40,767 positive reviews and 1,017 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 |
6. 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 #6 spot for the best Mystery Steam Deck games. Its score was calculated by analyzing a total of 30,596 reviews on Steam. This breaks down to a total of 29,909 positive reviews and 687 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $4.99 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 | $4.99 |
| Release Date | 7/28/2014 |
| Developer | Fireproof Games |
| Publisher | Fireproof Games |
| Steam App Id | 288160 |
7. 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 #7 spot for the best Mystery Steam Deck games. Its score was calculated by analyzing a total of 4,920 reviews on Steam. This breaks down to a total of 4,892 positive reviews and 28 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 |
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 5,713 reviews on Steam. This breaks down to a total of 5,670 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 19,389 reviews on Steam. This breaks down to a total of 19,005 positive reviews and 384 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $24.99 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 | $24.99 |
| Release Date | 6/16/2022 |
| Franchise | Annapurna Interactive |
| Developer | Angel Matrix |
| Publisher | Annapurna Interactive |
| Steam App Id | 1533420 |
10. Please, Touch The Artwork 2
A handpainted cozy hidden object adventure. Explore a surreal world. Collect items for its quirky inhabitants. Fix damaged paintings and solve casual puzzles. Help a lost skeleton painter find his way home. This game is short but 100% FREE (no ads, no IAP).
Please, Touch The Artwork 2 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 5,610 reviews on Steam. This breaks down to a total of 5,561 positive reviews and 49 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is completely free to play and can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 2/19/2024 |
| Franchise | Thomas Waterzooi |
| Developer | Thomas Waterzooi |
| Publisher | Thomas Waterzooi |
| Steam App Id | 2600140 |
More Mystery Steam Deck Verified Games
Explore even more rankings for the 10 best Mystery games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,570 | 6/4/2025 | 97 | $24.99 | Steam Charts | |
| 165 | 9/5/2023 | 96 | $19.99 | Steam Charts | |
| 344 | 7/19/2022 | 96 | $29.99 | Steam Charts | |
| 21 | 1/26/2024 | 96 | Free | Steam Charts | |
| 786 | 4/9/2019 | 96 | $29.99 | Steam Charts | |
| 51 | 7/28/2014 | 96 | $4.99 | Steam Charts | |
| 23 | 8/7/2025 | 96 | $9.99 | Steam Charts | |
| 3 | 10/15/2021 | 96 | Free | Steam Charts | |
| 140 | 6/16/2022 | 96 | $24.99 | Steam Charts | |
| 5 | 2/19/2024 | 95 | Free | 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, January 28). Chants of Sennaar on Steam. Steam Store.
- Valve Corporation. (2026, January 19). Stray on Steam. Steam Store.
- Valve Corporation. (2026, January 15). Paper Lily - Chapter 1 on Steam. Steam Store.
- Valve Corporation. (2026, January 19). Phoenix Wright: Ace Attorney Trilogy on Steam. Steam Store.
- Valve Corporation. (2026, February 2). The Room on Steam. Steam Store.
- Valve Corporation. (2026, February 5). Öoo on Steam. Steam Store.
- Valve Corporation. (2026, January 14). Project Kat - Paper Lily Prologue on Steam. Steam Store.
- Valve Corporation. (2026, January 21). Neon White on Steam. Steam Store.
- Valve Corporation. (2025, December 3). Please, Touch The Artwork 2 on Steam. Steam Store.