Best Investigation Games on Steam
Steam currently has 3,396 Investigation games available to download and play. Explore our list of the best picks ranked by Player Score. Our Player Score rankings are calculated directly from reviews left on the Steam store and will be updated in real-time as more players leave their feedback. Investigation game rankings were last updated on 10/25/2025.
Looking for more? Explore other lists such as:
- Free investigation games on Steam
- Best investigation Steam Deck games
- Best investigation Linux games on Steam
- Best investigation Steam games for Mac OS
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. 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! holds the #1 spot for "best Investigation game on Steam" with a Player Score of 95. Its score was calculated by analyzing a total of 6,072 reviews on Steam. This breaks down to a total of 5,997 positive reviews and 75 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is completely free to play and can be played and ran on Windows systems. At the moment, it is possible to play Buy a Croquette! on the Steam Deck (though some functionality may be limited).
| Release Date | 4/27/2024 |
| Developer | 越青 |
| Publisher | Eternal Dream |
| Steam App Id | 2167960 |
2. The Case of the Golden Idol
A new kind of detective game that allows you to think and investigate freely. Discover clues surrounding 12 strange and gruesome deaths and build your own theory. Pick your suspect, deduce the motive, unmask the awful truth.
The Case of the Golden Idol has achieved a Player Score of 95, placing it in the #2 spot for the best Investigation games. Its score was calculated by analyzing a total of 9,329 reviews on Steam. This breaks down to a total of 9,145 positive reviews and 184 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $17.99 to play and 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.
| Steam Price | $17.99 |
| Release Date | 10/13/2022 |
| Franchise | Playstack |
| Developer | Color Gray Games |
| Publisher | Playstack |
| Steam App Id | 1677770 |
3. Phasmophobia
Phasmophobia is a 4 player online co-op psychological horror. Paranormal activity is on the rise and it’s up to you and your team to use all the ghost-hunting equipment at your disposal in order to gather as much evidence as you can.
Phasmophobia has achieved a Player Score of 95, placing it in the #3 spot for the best Investigation games. Its score was calculated by analyzing a total of 793,668 reviews on Steam. This breaks down to a total of 759,453 positive reviews and 34,215 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $19.99 to play and can be played and ran on Windows systems. At the moment, it is not possible to play or run Phasmophobia on the Steam Deck.
| Steam Price | $19.99 |
| Release Date | 9/18/2020 |
| Developer | Kinetic Games |
| Publisher | Kinetic Games |
| Steam App Id | 739630 |
4. Murders on the Yangtze River
"Murders on Yangtze River" is an Ace Attorney-like detective game that takes you on a journey through early 20th century China as you solve a series of intriguing cases. Use your logical reasoning and deduction skills to uncover clues, interrogate suspects, and solve the mysteries.
Murders on the Yangtze River has achieved a Player Score of 95, placing it in the #4 spot for the best Investigation games. Its score was calculated by analyzing a total of 19,568 reviews on Steam. This breaks down to a total of 19,028 positive reviews and 540 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.74 to play and can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Murders on the Yangtze River on the Steam Deck (though some functionality may be limited).
| Steam Price | $9.74 |
| Release Date | 1/30/2024 |
| Developer | OMEGAMES STUDIO |
| Publishers | |
| Steam App Id | 1746030 |
5. 魔法少女ノ魔女裁判
Thirteen girls awaken, only to find themselves in a prison. What awaits them: a Witch Trial. Help them prepare for the trial by exploring the prison in order to find the witch hidden amongst them. Find the witch, learn what kind of magic she holds, dispel the lies, and prepare for the execution.
魔法少女ノ魔女裁判 has achieved a Player Score of 94, placing it in the #5 spot for the best Investigation games. Its score was calculated by analyzing a total of 16,563 reviews on Steam. This breaks down to a total of 16,069 positive reviews and 494 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $29.99 to play and can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $29.99 |
| Release Date | 7/18/2025 |
| Developers | |
| Publishers | |
| Steam App Id | 3101040 |
6. The Test
You will answer a series of questions that will reveal truths from deep within. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and if you do, are you sure you want the answers you seek?
The Test has achieved a Player Score of 94, placing it in the #6 spot for the best Investigation games. Its score was calculated by analyzing a total of 20,025 reviews on Steam. This breaks down to a total of 19,389 positive reviews and 636 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $1.99 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $1.99 |
| Release Date | 2/24/2020 |
| Developer | Randumb Studios |
| Publisher | Randumb Studios |
| Steam App Id | 1241510 |
7. The Test: Final Revelation
The third chapter in The Test Trilogy. Answer a series of in-depth questions to reveal hidden truths about yourself and unlock secrets to discover who you really are as a person. The Final Revelation is upon us... but are you sure you TRULY want the answers you seek?
The Test: Final Revelation has achieved a Player Score of 94, placing it in the #7 spot for the best Investigation games. Its score was calculated by analyzing a total of 5,367 reviews on Steam. This breaks down to a total of 5,258 positive reviews and 109 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $1.99 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $1.99 |
| Release Date | 10/12/2020 |
| Developer | Randumb Studios |
| Publisher | Randumb Studios |
| Steam App Id | 1428310 |
8. The Test: Hypothesis Rising
The second chapter in The Test trilogy. Answer a series of in-depth questions to reveal hidden truths about yourself and unlock secrets to discover how your life can change drastically with just a few, slight modifications. ...But are you sure you want the answers you seek?
The Test: Hypothesis Rising has achieved a Player Score of 94, placing it in the #8 spot for the best Investigation games. Its score was calculated by analyzing a total of 5,914 reviews on Steam. This breaks down to a total of 5,779 positive reviews and 135 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $1.99 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $1.99 |
| Release Date | 4/27/2020 |
| Developer | Randumb Studios |
| Publisher | Randumb Studios |
| Steam App Id | 1282200 |
9. Bugsnax
Catch mysterious living snacks and feed them to your friends in this unusual island adventure!
Bugsnax has achieved a Player Score of 94, placing it in the #9 spot for the best Investigation games. Its score was calculated by analyzing a total of 8,082 reviews on Steam. This breaks down to a total of 7,867 positive reviews and 215 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $24.99 to play and can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $24.99 |
| Release Date | 4/28/2022 |
| Developer | Young Horses |
| Publisher | Young Horses |
| Steam App Id | 674140 |
10. Unheard - Voices of Crime
What if you could hear every word spoken at the scene of a crime? “Acoustic Detectives” wanted for testing our new device! Return aurally to crime scenes and use the voices you hear to identify potential suspects and solve the mysteries. What is it that’s connecting these seemingly unrelated cases?
Unheard - Voices of Crime has achieved a Player Score of 94, placing it in the #10 spot for the best Investigation games. Its score was calculated by analyzing a total of 32,017 reviews on Steam. This breaks down to a total of 30,784 positive reviews and 1,233 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $6.99 to play and can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Unheard - Voices of Crime on the Steam Deck (though some functionality may be limited).
| Steam Price | $6.99 |
| Release Date | 3/28/2019 |
| Developer | NExT Studios |
| Publishers | |
| Steam App Id | 942970 |
More Investigation Games
Explore even more rankings for the 100 best Investigation games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 298 | 4/27/2024 | 95 | Free | Steam Charts | |
| 116 | 10/13/2022 | 95 | $17.99 | Steam Charts | |
| 29,593 | 9/18/2020 | 95 | $19.99 | Steam Charts | |
| 266 | 1/30/2024 | 95 | $9.74 | Steam Charts | |
| 486 | 7/18/2025 | 94 | $29.99 | Steam Charts | |
| 1 | 2/24/2020 | 94 | $1.99 | Steam Charts | |
| 1 | 10/12/2020 | 94 | $1.99 | Steam Charts | |
| 1 | 4/27/2020 | 94 | $1.99 | Steam Charts | |
| 94 | 4/28/2022 | 94 | $24.99 | Steam Charts | |
| 38 | 3/28/2019 | 94 | $6.99 | Steam Charts | |
 | 4 | 8/17/2021 | 94 | $12.99 | Steam Charts | |
 | 1 | 10/26/2022 | 94 | $4.99 | Steam Charts | |
 | 9 | 1/17/2024 | 94 | $6.99 | Steam Charts | |
 | 79 | 11/28/2024 | 94 | $29.99 | Steam Charts | |
 | 12 | 11/15/2024 | 94 | $19.99 | Steam Charts | |
 | 65 | 7/17/2025 | 94 | $19.99 | Steam Charts | |
 | 4 | 3/26/2020 | 94 | $24.99 | Steam Charts | |
 | 118 | 1/15/2025 | 94 | $19.99 | Steam Charts | |
 | 32 | 7/28/2021 | 93 | $24.99 | Steam Charts | |
 | 3 | 3/15/2024 | 93 | Free | Steam Charts |
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Reviews 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, October 25). Steam Store. Steam Store.
- Valve Corporation. (2025, October 25). Buy a Croquette! on Steam. Steam Store.
- Valve Corporation. (2025, November 14). The Case of the Golden Idol on Steam. Steam Store.
- Valve Corporation. (2025, November 15). Phasmophobia on Steam. Steam Store.
- Valve Corporation. (2025, November 10). Murders on the Yangtze River on Steam. Steam Store.
- Valve Corporation. (2025, November 14). 魔法少女ノ魔女裁判 on Steam. Steam Store.
- Valve Corporation. (2025, November 6). The Test on Steam. Steam Store.
- Valve Corporation. (2025, November 4). The Test: Final Revelation on Steam. Steam Store.
- Valve Corporation. (2025, November 6). The Test: Hypothesis Rising on Steam. Steam Store.
- Valve Corporation. (2025, October 20). Bugsnax on Steam. Steam Store.
- Valve Corporation. (2025, October 20). Unheard - Voices of Crime on Steam. Steam Store.