Best Investigation Games on Steam
Steam currently has 3,547 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 1/6/2026.
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 6,579 reviews on Steam. This breaks down to a total of 6,496 positive reviews and 83 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 9,699 reviews on Steam. This breaks down to a total of 9,500 positive reviews and 199 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 806,853 reviews on Steam. This breaks down to a total of 771,861 positive reviews and 34,992 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $13.99 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 | $13.99 |
| 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 20,026 reviews on Steam. This breaks down to a total of 19,449 positive reviews and 577 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $14.99 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 | $14.99 |
| Release Date | 1/30/2024 |
| Developer | OMEGAMES STUDIO |
| Publishers | |
| Steam App Id | 1746030 |
5. Magical Girl Witch Trials
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.
Magical Girl Witch Trials has achieved a Player Score of 95, placing it in the #5 spot for the best Investigation games. Its score was calculated by analyzing a total of 25,672 reviews on Steam. This breaks down to a total of 24,857 positive reviews and 815 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 20,061 reviews on Steam. This breaks down to a total of 19,415 positive reviews and 646 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 5,368 reviews on Steam. This breaks down to a total of 5,258 positive reviews and 110 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. 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 #8 spot for the best Investigation games. Its score was calculated by analyzing a total of 8,486 reviews on Steam. This breaks down to a total of 8,256 positive reviews and 230 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $12.49 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 | $12.49 |
| Release Date | 4/28/2022 |
| Developer | Young Horses |
| Publisher | Young Horses |
| Steam App Id | 674140 |
9. 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 #9 spot for the best Investigation games. Its score was calculated by analyzing a total of 5,920 reviews on Steam. This breaks down to a total of 5,782 positive reviews and 138 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 |
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 32,324 reviews on Steam. This breaks down to a total of 31,076 positive reviews and 1,248 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 | ||||
|---|---|---|---|---|---|---|
| 14 | 4/27/2024 | 95 | Free | Steam Charts | |
| 151 | 10/13/2022 | 95 | $17.99 | Steam Charts | |
| 15,012 | 9/18/2020 | 95 | $13.99 | Steam Charts | |
| 186 | 1/30/2024 | 95 | $14.99 | Steam Charts | |
| 405 | 7/18/2025 | 95 | $29.99 | Steam Charts | |
| 1 | 2/24/2020 | 94 | $1.99 | Steam Charts | |
| 1 | 10/12/2020 | 94 | $1.99 | Steam Charts | |
| 126 | 4/28/2022 | 94 | $12.49 | Steam Charts | |
| 1 | 4/27/2020 | 94 | $1.99 | Steam Charts | |
| 194 | 3/28/2019 | 94 | $6.99 | Steam Charts | |
 | 9 | 8/17/2021 | 94 | $5.84 | Steam Charts | |
 | 19,541 | 6/16/2025 | 94 | $7.99 | Steam Charts | |
 | 2 | 10/26/2022 | 94 | $4.99 | Steam Charts | |
 | 148 | 7/17/2025 | 94 | $19.99 | Steam Charts | |
 | 80 | 11/28/2024 | 94 | $29.99 | Steam Charts | |
 | 36 | 1/17/2024 | 94 | $4.89 | Steam Charts | |
 | 6 | 3/26/2020 | 94 | $24.99 | Steam Charts | |
 | 754 | 1/15/2025 | 94 | $19.99 | Steam Charts | |
 | 36 | 7/28/2021 | 93 | $24.99 | Steam Charts | |
 | 10 | 11/15/2024 | 93 | $11.99 | 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. (2026, January 6). Steam Store. Steam Store.
- Valve Corporation. (2026, January 6). Buy a Croquette! on Steam. Steam Store.
- Valve Corporation. (2026, January 20). The Case of the Golden Idol on Steam. Steam Store.
- Valve Corporation. (2026, January 23). Phasmophobia on Steam. Steam Store.
- Valve Corporation. (2026, January 21). Murders on the Yangtze River on Steam. Steam Store.
- Valve Corporation. (2026, January 23). Magical Girl Witch Trials on Steam. Steam Store.
- Valve Corporation. (2026, January 7). The Test on Steam. Steam Store.
- Valve Corporation. (2026, January 15). The Test: Final Revelation on Steam. Steam Store.
- Valve Corporation. (2026, January 22). Bugsnax on Steam. Steam Store.
- Valve Corporation. (2026, January 15). The Test: Hypothesis Rising on Steam. Steam Store.
- Valve Corporation. (2026, January 7). Unheard - Voices of Crime on Steam. Steam Store.