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 September 16th 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
45
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 5,941 reviews of which 5,215 were positive and 726 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
5,215
726
41
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 23,994 reviews of which 23,308 were positive and 686 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
23,308
686
34
players
4. 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 #4 spot among the most played mystery games.
9.3
5,114
198
20
players
5. 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 2,819 reviews of which 2,694 were positive and 125 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #5 spot among the most played mystery games.
9.1
2,694
125
19
players
6. Buy a Croquette!
March 2012, Nagano. The brave and clever high school girl, Chio Aozora, is facing a major crisis: she doesn’t have enough 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, and buy a croquette! 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
15
players
7. 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 #7 spot among the most played mystery games.
7.9
1,482
317
6
players
8. Porcelain Tales
Collect, run and be a pain in the porcelain Porcelain Tales is a game developed and published by . Released on February 04th 2022 has received 506 reviews of which 420 were positive and 86 were negative resulting in a rating of 7.8 out of 10. The game currently holds the #8 spot among the most played mystery games.
7.8
420
86
3
players
9. 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 #9 spot among the most played mystery games.
8.5
935
100
2
players
10. Dark Nights
Nothing is as it seems. Dark Nights is a game developed and published by . Released on October 31st 2022 has received 366 reviews of which 334 were positive and 32 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #10 spot among the most played mystery games.
8.4
334
32
2
players
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