Best 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 April 01st 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. 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 6,321 reviews of which 5,538 were positive and 783 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #1 spot among the most played mystery games.
8.5
5,538
783
57
players
2. 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 3,457 reviews of which 3,289 were positive and 168 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #2 spot among the most played mystery games.
9.1
3,289
168
40
players
3. MINDNIGHT
Inspired by the party games Werewolf and The Resistance, MINDNIGHT is a cyberpunk online social deduction game of deceit, accusations and unpredictability. It challenges your ability to lie and detect others that are trying to be deceptive. MINDNIGHT is a multiplayer, social deduction and strategy game. Released on August 04th 2017 has received 2,985 reviews of which 2,533 were positive and 452 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #3 spot among the most played mystery games.
8.2
2,533
452
10
players
4. 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 518 reviews of which 429 were positive and 89 were negative resulting in a rating of 7.8 out of 10. The game currently holds the #4 spot among the most played mystery games.
7.8
429
89
4
players
5. Zardy's Maze
Zardy's Maze is an extremely challenging horror game where you must enter a corn maze in the dead of night. Your goal? Cut down the giant plants that have started to grow there. Equipped with a flashlight and an axe, you must brave the unknown... And avoid what lurks in the darkness. Zardy's Maze is a horror, action and survival game. Released on January 22nd 2021 has received 1,531 reviews of which 1,402 were positive and 129 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #5 spot among the most played mystery games.
8.7
1,402
129
2
players
6. Dark Nights
Nothing is as it seems. Dark Nights is a otome, visual novel and adventure game. Released on October 31st 2022 has received 407 reviews of which 373 were positive and 34 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #6 spot among the most played mystery games.
8.5
373
34
2
players
7. Throne of Lies®: Medieval Politics
The 3D online multiplayer game of social deduction and mischief, inspired by medieval politics and the Werewolf/Mafia (1986) genre. Gather 'round the tabletop, uniting allies of the realm with strategy to distinguish friend from foe. Throne of Lies®: Medieval Politics is a social deduction, multiplayer and mystery game. Released on September 29th 2017 has received 2,718 reviews of which 2,070 were positive and 648 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #7 spot among the most played mystery games.
7.4
2,070
648
2
players
8. 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 #8 spot among the most played mystery games.
9.5
4,355
42
9. 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 psychological horror game. Released on November 10th 2025 has received 7,522 reviews of which 7,397 were positive and 125 were negative resulting in an impressive rating of 9.5 out of 10. The game currently holds the #9 spot among the most played mystery games.
9.5
7,397
125
10. 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 24,774 reviews of which 24,046 were positive and 728 were negative resulting in an impressive rating of 9.5 out of 10. The game currently holds the #10 spot among the most played mystery games.
9.5
24,046
728
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