Best Mystery Games on Steam
Steam currently has 11,065 Mystery games available to download and play. Explore our list of 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 6/16/2026.
Looking for more? Explore other lists such as:
- Free mystery games on Steam
- Best mystery Steam Deck games
- Best mystery Linux games on Steam
- Best mystery Steam games for Mac OS
- 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 game on Steam" with a Player Score of 97. Its score was calculated by analyzing a total of 112,370 reviews on Steam. This breaks down to a total of 110,424 positive reviews and 1,946 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. Sheepy: A Short Adventure
A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.
Sheepy: A Short Adventure has achieved a Player Score of 96, placing it in the #2 spot for the best Mystery games. Its score was calculated by analyzing a total of 23,093 reviews on Steam. This breaks down to a total of 22,830 positive reviews and 263 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is completely free to play and can be played and ran on Windows systems. At the moment, it is possible to play Sheepy: A Short Adventure on the Steam Deck (though some functionality may be limited).
| Release Date | 2/6/2024 |
| Franchise | MrSuicideSheep |
| Developer | MrSuicideSheep |
| Publisher | MrSuicideSheep |
| Steam App Id | 1568400 |
3. 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 #3 spot for the best Mystery games. Its score was calculated by analyzing a total of 31,610 reviews on Steam. This breaks down to a total of 31,072 positive reviews and 538 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 |
4. 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 #4 spot for the best Mystery games. Its score was calculated by analyzing a total of 174,075 reviews on Steam. This breaks down to a total of 169,228 positive reviews and 4,847 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $14.99 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 | $14.99 |
| Release Date | 7/19/2022 |
| Franchise | Annapurna Interactive |
| Developer | BlueTwelve Studio |
| Publisher | Annapurna Interactive |
| Steam App Id | 1332010 |
5. The Room 4: Old Sins
The disappearance of an ambitious engineer and his high-society wife provokes a hunt for a precious artefact. The trail leads you to the attic of their home, and the discovery of an old, peculiar dollhouse. What secrets lie within these walls?
The Room 4: Old Sins has achieved a Player Score of 96, placing it in the #5 spot for the best Mystery games. Its score was calculated by analyzing a total of 18,042 reviews on Steam. This breaks down to a total of 17,767 positive reviews and 275 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $2.69 to play and can be played and ran on Windows systems. At the moment, it is possible to play The Room 4: Old Sins on the Steam Deck (though some functionality may be limited).
| Steam Price | $2.69 |
| Release Date | 2/11/2021 |
| Developer | Fireproof Games |
| Publisher | Fireproof Games |
| Steam App Id | 1361320 |
6. 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 #6 spot for the best Mystery games. Its score was calculated by analyzing a total of 8,517 reviews on Steam. This breaks down to a total of 8,444 positive reviews and 73 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.
7. The Wolf Among Us
From the makers of the 2012 Game of the Year: The Walking Dead, comes a thriller based on the award-winning Fables comic books. As Bigby Wolf you will discover that a brutal, bloody murder is just a taste of things to come in a game series where your every decision can have enormous consequences.
The Wolf Among Us has achieved a Player Score of 96, placing it in the #7 spot for the best Mystery games. Its score was calculated by analyzing a total of 39,562 reviews on Steam. This breaks down to a total of 38,726 positive reviews and 836 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $14.99 to play and can be played and ran on Windows systems. At the moment, it is possible to play The Wolf Among Us on the Steam Deck (though some functionality may be limited).
| Steam Price | $14.99 |
| Release Date | 10/11/2013 |
| Franchise | Telltale Games |
| Developer | Telltale |
| Publisher | Telltale |
| Steam App Id | 250320 |
8. 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 #8 spot for the best Mystery games. Its score was calculated by analyzing a total of 6,170 reviews on Steam. This breaks down to a total of 6,131 positive reviews and 39 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $7.49 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 | $7.49 |
| Release Date | 8/7/2025 |
| Developers | |
| Publisher | NamaTakahashi |
| Steam App Id | 2721890 |
9. Firework
An accidental fire at a funeral forces the police to re-investigate a closed case of massacre. Lin Lixun participates the re-investigation by chances. As the investigation goes deeper, the past of the victims gradually emerges. However, the case becomes more bewildering.
Firework has achieved a Player Score of 96, placing it in the #9 spot for the best Mystery games. Its score was calculated by analyzing a total of 44,116 reviews on Steam. This breaks down to a total of 43,094 positive reviews and 1,022 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. At the moment, it is not possible to play or run Firework on the Steam Deck.
| Steam Price | $4.99 |
| Release Date | 2/3/2021 |
| Developer | Shiying Studio |
| Publishers | |
| Steam App Id | 1288310 |
10. 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 #10 spot for the best Mystery games. Its score was calculated by analyzing a total of 5,858 reviews on Steam. This breaks down to a total of 5,816 positive reviews and 42 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.
More Mystery Games
Explore even more rankings for the 100 best Mystery games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 27,772 | 6/4/2025 | 97 | $24.99 | Steam Charts | |
| 57 | 2/6/2024 | 96 | Free | Steam Charts | |
| 239 | 9/5/2023 | 96 | $19.99 | Steam Charts | |
| 235 | 7/19/2022 | 96 | $14.99 | Steam Charts | |
| 18 | 2/11/2021 | 96 | $2.69 | Steam Charts | |
| 23 | 1/26/2024 | 96 | Free | Steam Charts | |
| 245 | 10/11/2013 | 96 | $14.99 | Steam Charts | |
| 13 | 8/7/2025 | 96 | $7.49 | Steam Charts | |
| 48 | 2/3/2021 | 96 | $4.99 | Steam Charts | |
| 4 | 10/15/2021 | 96 | Free | Steam Charts | |
 | 513 | 4/9/2019 | 96 | $29.99 | Steam Charts | |
 | 364 | 3/21/2025 | 96 | $5.99 | Steam Charts | |
 | 14 | 4/8/2021 | 96 | $1.99 | Steam Charts | |
 | 46 | 7/28/2014 | 96 | $4.99 | Steam Charts | |
 | 48 | 6/16/2022 | 96 | $9.99 | Steam Charts | |
 | 114 | 4/27/2024 | 96 | Free | Steam Charts | |
 | 1,970 | 6/13/2020 | 95 | $9.99 | Steam Charts | |
 | 8 | 2/19/2024 | 95 | Free | Steam Charts | |
 | 105 | 11/10/2025 | 95 | Free | Steam Charts | |
 | 20 | 7/5/2016 | 95 | $4.99 | 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, June 16). Steam Store. Steam Store.
- Valve Corporation. (2026, June 16). DELTARUNE on Steam. Steam Store.
- Valve Corporation. (2026, June 13). Sheepy: A Short Adventure on Steam. Steam Store.
- Valve Corporation. (2026, June 3). Chants of Sennaar on Steam. Steam Store.
- Valve Corporation. (2026, June 25). Stray on Steam. Steam Store.
- Valve Corporation. (2026, May 28). The Room 4: Old Sins on Steam. Steam Store.
- Valve Corporation. (2026, May 8). Paper Lily - Chapter 1 on Steam. Steam Store.
- Valve Corporation. (2026, June 14). The Wolf Among Us on Steam. Steam Store.
- Valve Corporation. (2026, June 25). Öoo on Steam. Steam Store.
- Valve Corporation. (2026, June 28). Firework on Steam. Steam Store.
- Valve Corporation. (2026, April 3). Project Kat - Paper Lily Prologue on Steam. Steam Store.