Free to Play Mystery Games on Steam
Check out this fantastic list of free-to-play mystery games you can enjoy on Steam right now, updated on July 30th 2025. Looking for even more free titles? Explore the complete list of the best free to play mystery games.
Lists & Categories
1. Cube Escape: Paradox
The tenth Cube Escape follows the story of detective Dale Vandermeer who finds himself trapped in two different universes and needs to escape. Cube Escape: Paradox will be released together with the accompanying Paradox: A Rusty Lake Film. Cube Escape: Paradox is a game developed and published by . Released on September 20th 2018 has received 10,554 reviews of which 10,264 were positive and 290 were negative resulting in an impressive rating of 9.4 out of 10. The game currently holds the #1 spot among the most played mystery games.
9.4
10,264
290
80
players
2. Unsolved Case
A new lead turns up old doubts about an 'Unsolved Case'. A trap, or a copycat killer? In this co-op puzzle game prequel to the award-winning Cryptic Killer series, put on your detective badges as you collaborate and communicate to crack the codes, solve the riddles, and catch the Cryptic Killer. Unsolved Case is a game developed and published by . Released on November 24th 2022 has received 5,821 reviews of which 5,117 were positive and 704 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #2 spot among the most played mystery games.
8.5
5,117
704
69
players
3. The Murder of Sonic the Hedgehog
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure! The Murder of Sonic the Hedgehog is a game developed and published by . Released on March 31st 2023 has received 23,827 reviews of which 23,160 were positive and 667 were negative resulting in an impressive rating of 9.5 out of 10. The game currently holds the #3 spot among the most played mystery games.
9.5
23,160
667
25
players
4. United heist
Your crew consists of two elite thieves. A client hires you to steal a mysterious item. One handles intel; the other infiltrates. Choose your roles and master the heist in this asymmetric co-op puzzle game. United heist is a game developed and published by . Released on February 12th 2023 has received 1,799 reviews of which 1,482 were positive and 317 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #4 spot among the most played mystery games.
7.9
1,482
317
24
players
5. Higurashi When They Cry Hou - Ch.1 Onikakushi
Higurashi When They Cry is a sound novel. The music, backgrounds and characters work together to create a world that is the stage of a novel for the user to read. They laugh and cry and get angry. The user takes the point of view of the protagonist to experience the story. Higurashi When They Cry Hou - Ch.1 Onikakushi is a game developed and published by . Released on May 15th 2015 has received 5,312 reviews of which 5,114 were positive and 198 were negative resulting in an impressive rating of 9.3 out of 10. The game currently holds the #5 spot among the most played mystery games.
9.3
5,114
198
21
players
6. 买个可乐饼吧！ - Buy a Croquette!
March 2012, Nagano. The smart and brave high school girl, Chio Aozora, is facing a major crisis: she has no money to buy a croquette! Navigate through the streets and alleys of Nagano, interact with a variety of characters, solve complex puzzles, collect 380 yen in coins, and buy a croquette! 买个可乐饼吧！ - Buy a Croquette! is a game developed and published by . Released on April 27th 2024 has received 4,397 reviews of which 4,355 were positive and 42 were negative resulting in an impressive rating of 9.5 out of 10. The game currently holds the #6 spot among the most played mystery games.
9.5
4,355
42
18
players
7. Aurora Hills: Chapter 1
Aurora Hills: Chapter 1 is the first part in series of point and click puzzle adventure games. Follow the journey of Ethan Hill, a park ranger tasked with investigating strange disappearances from the region to uncover the mystery of Aurora Hills! Aurora Hills: Chapter 1 is a game developed and published by . Released on April 20th 2024 has received 2,664 reviews of which 2,545 were positive and 119 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #7 spot among the most played mystery games.
9.1
2,545
119
14
players
8. Lucid9: Inciting Incident
Lucid9 is a visual novel focused on a web of intricate mysteries set in the fictional 2018 metropolis of Isamu. Lucid9: Inciting Incident is the first part of the story, focused on a string of disappearances that occur at a prestigious, uppity boarding academy. Lucid9: Inciting Incident is a game developed and published by . Released on April 14th 2016 has received 1,035 reviews of which 935 were positive and 100 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #8 spot among the most played mystery games.
8.5
935
100
2
players
9. Dark Nights
Nothing is as it seems. Dark Nights is a game developed and published by . Released on October 31st 2022 has received 358 reviews of which 326 were positive and 32 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #9 spot among the most played mystery games.
8.4
326
32
2
players
10. Fayburrow
In a world of fairies, a childhood friend suddenly calls Beatrice back to her old hometown. Yet when she arrives, her friend is mysteriously missing. Fayburrow is a game developed and published by . Released on February 03rd 2022 has received 440 reviews of which 361 were positive and 79 were negative resulting in a rating of 7.7 out of 10. The game currently holds the #10 spot among the most played mystery games.
7.7
361
79
2
players
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