Free Mystery Games on Steam

Steam currently has 7,330 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 1/6/2025.

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 !

Banana banner

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 85,350 reviews on Steam. This breaks down to a total of 70,599 positive reviews and 14,751 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.

Palia banner

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 23,342 reviews on Steam. This breaks down to a total of 19,806 positive reviews and 3,536 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. 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 banner

Morimens has achieved a Player Score of 76, placing it in the #3 spot for the best free Mystery games. Its score was calculated by analyzing a total of 1,435 reviews on Steam. This breaks down to a total of 1,138 positive reviews and 297 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

4. Town of Salem 2

Step into the Town of Salem, a realm of Mystery and Deceit awaits! Join us in this thrilling online strategy game. Experience paranoia, taste triumph, and confront Murder in every move!

Town of Salem 2 banner

Town of Salem 2 has achieved a Player Score of 72, placing it in the #4 spot for the best free Mystery games. Its score was calculated by analyzing a total of 8,365 reviews on Steam. This breaks down to a total of 6,116 positive reviews and 2,249 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

5. 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 banner

Poppy Playtime has achieved a Player Score of 83, placing it in the #5 spot for the best free Mystery games. Its score was calculated by analyzing a total of 81,340 reviews on Steam. This breaks down to a total of 68,033 positive reviews and 13,307 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

6. 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 banner

Dark Hours: Prologue has achieved a Player Score of 84, placing it in the #6 spot for the best free Mystery games. Its score was calculated by analyzing a total of 3,242 reviews on Steam. This breaks down to a total of 2,815 positive reviews and 427 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

7. Everlasting Summer

Visual novel loved by many – Everlasting Summer – now on Steam!

Everlasting Summer banner

Everlasting Summer has achieved a Player Score of 93, placing it in the #7 spot for the best free Mystery games. Its score was calculated by analyzing a total of 74,769 reviews on Steam. This breaks down to a total of 70,940 positive reviews and 3,829 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

8. 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) banner

Enderal: Forgotten Stories (Special Edition) has achieved a Player Score of 90, placing it in the #8 spot for the best free Mystery games. Its score was calculated by analyzing a total of 7,640 reviews on Steam. This breaks down to a total of 7,109 positive reviews and 531 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

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 banner

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 167,710 reviews on Steam. This breaks down to a total of 161,304 positive reviews and 6,406 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).

10. Life is Strange 2

After a tragic incident, brothers Sean and Daniel Diaz run away from home. Fearing the police, and dealing with Daniel's new telekinetic power, the boys head to Mexico. Each stop on their journey brings new friends and new challenges.

Life is Strange 2 banner

Life is Strange 2 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 34,811 reviews on Steam. This breaks down to a total of 30,101 positive reviews and 4,710 negative reviews — making it "Very Positive" on Steam.

It can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.

More Free Mystery Games

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

Page 1 of 5

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, January 6). Steam Store. Steam Store.
  • Valve Corporation. (2025, January 6). Banana on Steam. Steam Store.
  • Valve Corporation. (2025, January 13). Palia on Steam. Steam Store.
  • Valve Corporation. (2025, January 12). Morimens on Steam. Steam Store.
  • Valve Corporation. (2025, January 6). Town of Salem 2 on Steam. Steam Store.
  • Valve Corporation. (2024, December 20). Poppy Playtime on Steam. Steam Store.
  • Valve Corporation. (2025, January 12). Dark Hours: Prologue on Steam. Steam Store.
  • Valve Corporation. (2024, December 14). Everlasting Summer on Steam. Steam Store.
  • Valve Corporation. (2024, December 20). Enderal: Forgotten Stories (Special Edition) on Steam. Steam Store.
  • Valve Corporation. (2024, December 26). Life is Strange - Episode 1 on Steam. Steam Store.
  • Valve Corporation. (2025, January 8). Life is Strange 2 on Steam. Steam Store.

Discover More Steam Games

Browse our top collections and curated lists of games avaible to play on Steam. Whether you are playing on PC, Mac, or on the Steam Deck, find your next favorite game.

Steam Deck Games

Steam Mac Games

Steam Linux Games

Explore

Discover the best of Steam. Find your next game, free weekend, or even track the next Steam Sale all in one spot.