Free Mystery Games on Steam
Steam currently has 8,360 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 6/25/2025.
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 90,062 reviews on Steam. This breaks down to a total of 74,108 positive reviews and 15,954 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. 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 84, placing it in the #2 spot for the best free Mystery games. Its score was calculated by analyzing a total of 29,981 reviews on Steam. This breaks down to a total of 25,599 positive reviews and 4,382 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 |
3. Banana Monkeys
Banana Monkeys: The Ultimate Monkey Collection.Dive into the enchanting world of Banana Monkeys, where you collect whimsical, quirky monkeys every 3 hours and share the fun with friends through trading and exciting events. Join a vibrant community of collectors!
Banana Monkeys has achieved a Player Score of 58, placing it in the #3 spot for the best free Mystery games. Its score was calculated by analyzing a total of 219 reviews on Steam. This breaks down to a total of 131 positive reviews and 88 negative reviews — making it "Mixed" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Banana Monkeys on the Steam Deck (though some functionality may be limited).
| Release Date | 7/5/2024 |
| Developer | Monkey King |
| Publisher | Monkey King |
| Steam App Id | 3057390 |
4. 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 84, placing it in the #4 spot for the best free Mystery games. Its score was calculated by analyzing a total of 99,463 reviews on Steam. This breaks down to a total of 84,607 positive reviews and 14,856 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 Poppy Playtime on the Steam Deck.
| Release Date | 10/12/2021 |
| Developer | Mob Entertainment |
| Publisher | Mob Entertainment |
| Steam App Id | 1721470 |
5. 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 76, placing it in the #5 spot for the best free Mystery games. Its score was calculated by analyzing a total of 2,039 reviews on Steam. This breaks down to a total of 1,612 positive reviews and 427 negative reviews — making it "Mostly 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 |
6. 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 #6 spot for the best free Mystery games. Its score was calculated by analyzing a total of 75,623 reviews on Steam. This breaks down to a total of 71,685 positive reviews and 3,938 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 |
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 10,762 reviews on Steam. This breaks down to a total of 9,268 positive reviews and 1,494 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. Town of Salem 2
A multiplayer online social deduction game for 7–15 players. Use deception, strategy, and teamwork to find the truth—or get away with murder.
Town of Salem 2 has achieved a Player Score of 71, placing it in the #8 spot for the best free Mystery games. Its score was calculated by analyzing a total of 7,836 reviews on Steam. This breaks down to a total of 5,716 positive reviews and 2,120 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Town of Salem 2 on the Steam Deck (though some functionality may be limited).
| Release Date | 8/25/2023 |
| Developer | BlankMediaGames LLC |
| Publishers | |
| Steam App Id | 2140510 |
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 169,377 reviews on Steam. This breaks down to a total of 162,939 positive reviews and 6,438 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 | 1/30/2015 |
| 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 4,179 reviews on Steam. This breaks down to a total of 3,663 positive reviews and 516 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 | 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 | ||||
|---|---|---|---|---|---|---|
| 64,150 | 4/23/2024 | 81 | Free | Steam Charts | |
| 6,061 | 3/25/2024 | 84 | Free | Steam Charts | |
| 1,043 | 7/5/2024 | 58 | Free | Steam Charts | |
| 532 | 10/12/2021 | 84 | Free | Steam Charts | |
| 455 | 8/2/2024 | 76 | Free | Steam Charts | |
| 252 | 11/19/2014 | 93 | Free | Steam Charts | |
| 218 | 10/20/2021 | 84 | Free | Steam Charts | |
| 205 | 8/25/2023 | 71 | Free | Steam Charts | |
| 188 | 1/30/2015 | 95 | Free | Steam Charts | |
| 179 | 7/18/2024 | 85 | Free | Steam Charts | |
 | 158 | 8/27/2020 | 81 | Free | Steam Charts | |
 | 150 | 9/26/2018 | 85 | Free | Steam Charts | |
 | 131 | 4/27/2024 | 95 | Free | Steam Charts | |
 | 128 | 4/2/2021 | 90 | Free | Steam Charts | |
 | 127 | 9/20/2018 | 94 | Free | Steam Charts | |
 | 126 | 10/15/2021 | 89 | Free | Steam Charts | |
 | 98 | 10/13/2023 | 75 | Free | Steam Charts | |
 | 91 | 3/3/2017 | 78 | Free | Steam Charts | |
 | 83 | 5/5/2020 | 82 | Free | Steam Charts | |
 | 66 | 2/3/2017 | 88 | 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. (2025, June 25). Steam Store. Steam Store.
- Valve Corporation. (2025, June 25). Banana on Steam. Steam Store.
- Valve Corporation. (2025, June 25). Palia on Steam. Steam Store.
- Valve Corporation. (2025, June 13). Banana Monkeys on Steam. Steam Store.
- Valve Corporation. (2025, June 8). Poppy Playtime on Steam. Steam Store.
- Valve Corporation. (2025, June 17). Morimens on Steam. Steam Store.
- Valve Corporation. (2025, June 7). Everlasting Summer on Steam. Steam Store.
- Valve Corporation. (2025, May 7). Fear Surrounds on Steam. Steam Store.
- Valve Corporation. (2025, June 25). Town of Salem 2 on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Life is Strange - Episode 1 on Steam. Steam Store.
- Valve Corporation. (2025, June 25). Dark Hours: Prologue on Steam. Steam Store.