Free Mystery Games on Steam

Steam currently has 7,750 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 3/21/2025.

Looking for more? Explore other lists such as:

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 !

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Banana holds the #1 spot for "best free Mystery game on Steam" with a Player Score of 82. Its score was calculated by analyzing a total of 87,634 reviews on Steam. This breaks down to a total of 72,382 positive reviews and 15,252 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.

2. Palia

Palia is a vibrant new world made just for you. Craft, cook, fish, and farm with friends as you live the life of your dreams and discover an enchanting adventure filled with colorful characters and a mystery to unravel.

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Palia has achieved a Player Score of 83, placing it in the #2 spot for the best free Mystery games. Its score was calculated by analyzing a total of 25,562 reviews on Steam. This breaks down to a total of 21,712 positive reviews and 3,850 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. 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.

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Poppy Playtime has achieved a Player Score of 84, placing it in the #3 spot for the best free Mystery games. Its score was calculated by analyzing a total of 95,937 reviews on Steam. This breaks down to a total of 81,359 positive reviews and 14,578 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

4. 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.

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Dark Hours: Prologue 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 3,719 reviews on Steam. This breaks down to a total of 3,240 positive reviews and 479 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
Publisher Piece of Cake studios
Steam App Id 3064370

5. Romance Club - Stories I Play

Immerse yourself in romantic visual stories where you control what happens!

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Romance Club - Stories I Play 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 796 reviews on Steam. This breaks down to a total of 635 positive reviews and 161 negative reviews — making it "Mostly Positive" on Steam.

It can be played and ran on Windows systems. At the moment, it is possible to play Romance Club - Stories I Play on the Steam Deck (though some functionality may be limited).

Release Date 10/13/2023
Developer Your Story Interactive
Publisher Your Story Interactive
Steam App Id 2433470

6. 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.

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Morimens has achieved a Player Score of 75, placing it in the #6 spot for the best free Mystery games. Its score was calculated by analyzing a total of 1,656 reviews on Steam. This breaks down to a total of 1,283 positive reviews and 373 negative reviews — making it "Mostly 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 8/2/2024
Developer B.I.A.V. Studio
Publisher B.I.A.V. Studio
Steam App Id 3052450

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.

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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 10,720 reviews on Steam. This breaks down to a total of 9,246 positive reviews and 1,474 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!

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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 75,067 reviews on Steam. This breaks down to a total of 71,191 positive reviews and 3,876 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. 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.

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Enderal: Forgotten Stories (Special Edition) has achieved a Player Score of 90, placing it in the #9 spot for the best free Mystery games. Its score was calculated by analyzing a total of 7,959 reviews on Steam. This breaks down to a total of 7,410 positive reviews and 549 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).

Release Date 4/2/2021
Franchise SureAI
Developer SureAI
Publisher SureAI
Steam App Id 976620

10. 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.

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Life is Strange - Episode 1 has achieved a Player Score of 95, placing it in the #10 spot for the best free Mystery games. Its score was calculated by analyzing a total of 168,464 reviews on Steam. This breaks down to a total of 162,048 positive reviews and 6,416 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).

More Free Mystery Games

Explore even more rankings for the 100 best free Mystery games available on Steam.

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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, March 21). Steam Store. Steam Store.
  • Valve Corporation. (2025, March 21). Banana on Steam. Steam Store.
  • Valve Corporation. (2025, March 15). Palia on Steam. Steam Store.
  • Valve Corporation. (2025, March 22). Poppy Playtime on Steam. Steam Store.
  • Valve Corporation. (2025, March 13). Dark Hours: Prologue on Steam. Steam Store.
  • Valve Corporation. (2025, March 9). Romance Club - Stories I Play on Steam. Steam Store.
  • Valve Corporation. (2025, March 22). Morimens on Steam. Steam Store.
  • Valve Corporation. (2025, March 18). Fear Surrounds on Steam. Steam Store.
  • Valve Corporation. (2025, March 18). Everlasting Summer on Steam. Steam Store.
  • Valve Corporation. (2025, February 25). Enderal: Forgotten Stories (Special Edition) on Steam. Steam Store.
  • Valve Corporation. (2025, March 14). Life is Strange - Episode 1 on Steam. Steam Store.

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