Free Mystery Games on Steam
Steam currently has 10,138 Mystery games available to download and play. Explore our list of the best free games ranked by popularity and ratings. Data for this list is calculated from reviews and player counts reported directly by Steam and will be updated in real-time. Free Mystery game rankings were last updated on 3/3/2026.
Looking for more? Explore other lists such as:
- Best mystery games on Steam
- Best mystery Steam Deck games
- Best mystery Steam games for Mac OS
- Best mystery Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Banana
Banana is a clicker Game, in which you click a Banana! In Banana you click the Banana to gain even more Bananas! Every 3 hours, you get dropped a banana. Each banana is also made by the community in discord. Come hang out with us and let's grow into something awesome !
Banana holds the #1 spot for "best free Mystery game on Steam" with a Player Score of 81. Its score was calculated by analyzing a total of 95,160 reviews on Steam. This breaks down to a total of 77,910 positive reviews and 17,250 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 4/23/2024 |
| Developers | |
| Publishers | |
| Steam App Id | 2923300 |
2. Poppy Playtime
You must stay alive in this horror/puzzle adventure. Try to survive the vengeful toys waiting for you in the abandoned toy factory. Use your GrabPack to hack electrical circuits or nab anything from afar. Explore the mysterious facility... and don't get caught.
Poppy Playtime has achieved a Player Score of 86, placing it in the #2 spot for the best free Mystery games. Its score was calculated by analyzing a total of 122,399 reviews on Steam. This breaks down to a total of 106,277 positive reviews and 16,122 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Poppy Playtime on the Steam Deck (though some functionality may be limited).
| Release Date | 10/12/2021 |
| Developer | Mob Entertainment |
| Publisher | Mob Entertainment |
| Steam App Id | 1721470 |
3. Palia
Discover a welcoming world in Palia, a free-to-play fantasy life sim adventure where you can craft, explore, and create the life and home of your dreams. With nearly endless ways to make Palia your home, you’ll find relaxation and joy in every corner of this vibrant, heartwarming world.
Palia has achieved a Player Score of 85, placing it in the #3 spot for the best free Mystery games. Its score was calculated by analyzing a total of 39,592 reviews on Steam. This breaks down to a total of 34,153 positive reviews and 5,439 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Palia on the Steam Deck (though some functionality may be limited).
| Release Date | 3/25/2024 |
| Developer | Singularity 6 Corporation |
| Publisher | Singularity 6 Corporation |
| Steam App Id | 2707930 |
4. Morimens
Morimens is a roguelite card-building game inspired by the Cthulhu mythos, where you craft a versatile and intricate deck tailored to your playstyle. The choice is yours to embark on a climb up treacherous towers or engage in tactical battles. Explore misty maps and uncover the truth of the world.
Morimens has achieved a Player Score of 80, placing it in the #4 spot for the best free Mystery games. Its score was calculated by analyzing a total of 3,620 reviews on Steam. This breaks down to a total of 2,989 positive reviews and 631 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Morimens on the Steam Deck.
| Release Date | 8/2/2024 |
| Developer | B.I.A.V. Studio |
| Publisher | B.I.A.V. Studio |
| Steam App Id | 3052450 |
5. wonderking
Genre: Free 2D Side-Scrolling MMORPG Key Features: Class selection and job advancement system Quest-based story progression Party play and guild system A wide variety of mounts, pets, and costume customization PvE dungeons and PvP content available
wonderking has achieved a Player Score of 45, placing it in the #5 spot for the best free Mystery games. Its score was calculated by analyzing a total of 277 reviews on Steam. This breaks down to a total of 122 positive reviews and 155 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run wonderking on the Steam Deck.
| Release Date | 1/12/2026 |
| Developers | |
| Publisher | wondersoft |
| Steam App Id | 3825780 |
6. Enderal: Forgotten Stories (Special Edition)
Enderal: Forgotten Stories (Special Edition) is a total conversion mod for Skyrim SE. It offers an immersive open world, new skill systems and gameplay with a dark, psychological storyline and believable characters. SE features a new rendering engine, improved lighting, performance and stability.
Enderal: Forgotten Stories (Special Edition) has achieved a Player Score of 90, placing it in the #6 spot for the best free Mystery games. Its score was calculated by analyzing a total of 9,267 reviews on Steam. This breaks down to a total of 8,618 positive reviews and 649 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Enderal: Forgotten Stories (Special Edition) on the Steam Deck (though some functionality may be limited).
7. Fear Surrounds
Fear Surrounds is a horror-tinged take on the werewolf-style social subterfuge genre, where two evil spirits hide within a group of players and attempt to sabotage and murder them.
Fear Surrounds has achieved a Player Score of 84, placing it in the #7 spot for the best free Mystery games. Its score was calculated by analyzing a total of 10,834 reviews on Steam. This breaks down to a total of 9,301 positive reviews and 1,533 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 10/20/2021 |
| Developer | SaltyEgg Studio |
| Publisher | Yooreka Studio |
| Steam App Id | 1526490 |
8. Everlasting Summer
Visual novel loved by many – Everlasting Summer – now on Steam!
Everlasting Summer has achieved a Player Score of 93, placing it in the #8 spot for the best free Mystery games. Its score was calculated by analyzing a total of 77,031 reviews on Steam. This breaks down to a total of 72,862 positive reviews and 4,169 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is not possible to play or run Everlasting Summer on the Steam Deck.
| Release Date | 11/19/2014 |
| Developer | Soviet Games |
| Publisher | Soviet Games |
| Steam App Id | 331470 |
9. Life is Strange - Episode 1
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
Life is Strange - Episode 1 has achieved a Player Score of 95, placing it in the #9 spot for the best free Mystery games. Its score was calculated by analyzing a total of 171,935 reviews on Steam. This breaks down to a total of 165,433 positive reviews and 6,502 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Life is Strange - Episode 1 on the Steam Deck (though some functionality may be limited).
| Release Date | 1/29/2015 |
| Franchise | DON'T NOD |
| Developers | |
| Publishers | |
| Steam App Id | 319630 |
10. Dark Hours: Prologue
Dark Hours: Prologue is a free co-op survival horror game for 1-4 players. Your heist has been disrupted by a supernatural event, and your team of robbers is now trapped with a monster. Forget your plan, your mission: survive! Explore and cooperate to find a way out or hide and wish for daylight.
Dark Hours: Prologue has achieved a Player Score of 85, placing it in the #10 spot for the best free Mystery games. Its score was calculated by analyzing a total of 5,300 reviews on Steam. This breaks down to a total of 4,678 positive reviews and 622 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Dark Hours: Prologue on the Steam Deck (though some functionality may be limited).
| Release Date | 7/18/2024 |
| Franchise | Piece of Cake studios |
| Developer | Piece of Cake studios |
| Publishers | |
| Steam App Id | 3064370 |
More Free Mystery Games
Explore even more rankings for the 100 best free Mystery games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 18,825 | 4/23/2024 | 81 | Free | Steam Charts | |
| 6,762 | 10/12/2021 | 86 | Free | Steam Charts | |
| 3,239 | 3/25/2024 | 85 | Free | Steam Charts | |
| 931 | 8/2/2024 | 80 | Free | Steam Charts | |
| 464 | 1/12/2026 | 45 | Free | Steam Charts | |
| 252 | 4/2/2021 | 90 | Free | Steam Charts | |
| 220 | 10/20/2021 | 84 | Free | Steam Charts | |
| 219 | 11/19/2014 | 93 | Free | Steam Charts | |
| 200 | 1/29/2015 | 95 | Free | Steam Charts | |
| 196 | 7/18/2024 | 85 | Free | Steam Charts | |
 | 190 | 4/27/2024 | 95 | Free | Steam Charts | |
 | 166 | 8/25/2023 | 69 | Free | Steam Charts | |
 | 155 | 9/26/2018 | 86 | Free | Steam Charts | |
 | 136 | 9/20/2018 | 94 | Free | Steam Charts | |
 | 124 | 10/15/2021 | 89 | Free | Steam Charts | |
 | 97 | 7/30/2024 | 58 | Free | Steam Charts | |
 | 97 | 5/5/2020 | 82 | Free | Steam Charts | |
 | 93 | 10/13/2023 | 75 | Free | Steam Charts | |
 | 92 | 2/3/2017 | 88 | Free | Steam Charts | |
 | 82 | 7/1/2024 | 55 | Free | Steam Charts |
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Player counts 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, March 3). Steam Store. Steam Store.
- Valve Corporation. (2026, March 3). Banana on Steam. Steam Store.
- Valve Corporation. (2026, March 2). Poppy Playtime on Steam. Steam Store.
- Valve Corporation. (2026, March 3). Palia on Steam. Steam Store.
- Valve Corporation. (2026, February 27). Morimens on Steam. Steam Store.
- Valve Corporation. (2026, March 3). wonderking on Steam. Steam Store.
- Valve Corporation. (2026, March 3). Enderal: Forgotten Stories (Special Edition) on Steam. Steam Store.
- Valve Corporation. (2025, August 21). Fear Surrounds on Steam. Steam Store.
- Valve Corporation. (2026, January 13). Everlasting Summer on Steam. Steam Store.
- Valve Corporation. (2026, January 25). Life is Strange - Episode 1 on Steam. Steam Store.
- Valve Corporation. (2025, December 16). Dark Hours: Prologue on Steam. Steam Store.