Free Mystery Games on Steam

Steam currently has 9,687 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 12/19/2025.

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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 81. Its score was calculated by analyzing a total of 94,710 reviews on Steam. This breaks down to a total of 77,663 positive reviews and 17,047 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

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.

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Palia has achieved a Player Score of 85, placing it in the #2 spot for the best free Mystery games. Its score was calculated by analyzing a total of 37,633 reviews on Steam. This breaks down to a total of 32,434 positive reviews and 5,199 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 104,971 reviews on Steam. This breaks down to a total of 89,795 positive reviews and 15,176 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. 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 79, placing it in the #4 spot for the best free Mystery games. Its score was calculated by analyzing a total of 3,225 reviews on Steam. This breaks down to a total of 2,636 positive reviews and 589 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. 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 #5 spot for the best free Mystery games. Its score was calculated by analyzing a total of 76,460 reviews on Steam. This breaks down to a total of 72,418 positive reviews and 4,042 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

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.

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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 8,965 reviews on Steam. This breaks down to a total of 8,338 positive reviews and 627 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

7. 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.

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Town of Salem 2 has achieved a Player Score of 70, placing it in the #7 spot for the best free Mystery games. Its score was calculated by analyzing a total of 8,460 reviews on Steam. This breaks down to a total of 6,046 positive reviews and 2,414 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

8. 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 #8 spot for the best free Mystery games. Its score was calculated by analyzing a total of 171,024 reviews on Steam. This breaks down to a total of 164,548 positive reviews and 6,476 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).

9. 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 85, placing it in the #9 spot for the best free Mystery games. Its score was calculated by analyzing a total of 4,901 reviews on Steam. This breaks down to a total of 4,314 positive reviews and 587 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

10. Adventure Escape Mysteries

Play a story-driven room escape game with unique puzzles enjoyed by tens of millions of players. Solve mysteries, puzzle through escape rooms, and find the clue that will crack the case in a critically acclaimed puzzle adventure game!

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Adventure Escape Mysteries has achieved a Player Score of 82, placing it in the #10 spot for the best free Mystery games. Its score was calculated by analyzing a total of 1,047 reviews on Steam. This breaks down to a total of 906 positive reviews and 141 negative reviews — making it "Very Positive" on Steam.

It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Adventure Escape Mysteries on the Steam Deck (though some functionality may be limited).

Release Date 5/5/2020
Developer Haiku Games Co
Publisher Haiku Games Co
Steam App Id 1141020

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, December 19). Steam Store. Steam Store.
  • Valve Corporation. (2025, December 19). Banana on Steam. Steam Store.
  • Valve Corporation. (2025, December 16). Palia on Steam. Steam Store.
  • Valve Corporation. (2025, November 30). Poppy Playtime on Steam. Steam Store.
  • Valve Corporation. (2025, December 16). Morimens on Steam. Steam Store.
  • Valve Corporation. (2025, October 20). Everlasting Summer on Steam. Steam Store.
  • Valve Corporation. (2025, December 19). Enderal: Forgotten Stories (Special Edition) on Steam. Steam Store.
  • Valve Corporation. (2025, December 5). Town of Salem 2 on Steam. Steam Store.
  • Valve Corporation. (2025, October 1). Life is Strange - Episode 1 on Steam. Steam Store.
  • Valve Corporation. (2025, December 16). Dark Hours: Prologue on Steam. Steam Store.
  • Valve Corporation. (2025, December 18). Adventure Escape Mysteries on Steam. Steam Store.

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