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Check out this fantastic list of free-to-play mystery games you can enjoy on Steam right now, updated on September 11th 2026. Looking for even more free titles? Explore the complete list of the best free to play mystery games on Steam.
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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 puzzle, psychological horror and point & click game. 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
84
players
2. Z.A.T.O. // I Love the World and Everything In It
USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe. Z.A.T.O. // I Love the World and Everything In It is a visual novel, mystery and philosophical game. Released on November 10th 2025 has received 12,129 reviews of which 11,910 were positive and 219 were negative resulting in an impressive rating of 9.5 out of 10. The game currently holds the #2 spot among the most played mystery games.
9.5
11,910
219
70
players
3. 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 online co-op, puzzle and escape room game. Released on November 24th 2022 has received 6,656 reviews of which 5,822 were positive and 834 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #3 spot among the most played mystery games.
8.5
5,822
834
43
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 visual novel, mystery and anime game. 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
40
players
5. 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 visual novel, mystery and point & click game. Released on March 31st 2023 has received 25,208 reviews of which 24,438 were positive and 770 were negative resulting in an impressive rating of 9.5 out of 10. The game currently holds the #5 spot among the most played mystery games.
9.5
24,438
770
25
players
6. 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 adventure, puzzle and mystery game. Released on April 20th 2024 has received 3,745 reviews of which 3,540 were positive and 205 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #6 spot among the most played mystery games.
9.1
3,540
205
11
players
7. 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 rpgmaker, mystery and sci-fi game. 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 #7 spot among the most played mystery games.
9.5
4,355
42
7
players
8. 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 puzzle, co-op campaign and adventure game. 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 #8 spot among the most played mystery games.
7.9
1,482
317
6
players
9. Dark Nights
Nothing is as it seems. Dark Nights is a otome, visual novel and adventure game. Released on October 31st 2022 has received 437 reviews of which 402 were positive and 35 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
402
35
5
players
10. Porcelain Tales
Collect, run and be a pain in the porcelain Porcelain Tales is a mystery, magic and adventure game. Released on February 04th 2022 has received 528 reviews of which 438 were positive and 90 were negative resulting in a rating of 7.8 out of 10. The game currently holds the #10 spot among the most played mystery games.
7.8
438
90
4
players
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