Free Thriller Games on Steam
Steam currently has 3,215 Thriller games available to download and play. Explore our list of the best free games ranked by popularity and ratings. Data for this list is calculated from reviews and player counts reported directly by Steam and will be updated in real-time. Free Thriller game rankings were last updated on 12/8/2025.
Looking for more? Explore other lists such as:
- Best thriller games on Steam
- Best thriller Steam Deck games
- Best thriller Steam games for Mac OS
- Best thriller Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Riichi City × The Quintessential Quintuplets Specials 2
Riichi City is a competitive urban-style Anime mahjong game, featuring beginner-friendly mahjong tutorials, Ranked Matches and tournaments crowded with masters! Spice up the experience with our ACG characters voiced by famous CVs, and attractive items and decorations! Set off for Riichi City now!
Riichi City × The Quintessential Quintuplets Specials 2 holds the #1 spot for "best free Thriller game on Steam" with a Player Score of 50. Its score was calculated by analyzing a total of 4,110 reviews on Steam. This breaks down to a total of 2,033 positive reviews and 2,077 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Riichi City × The Quintessential Quintuplets Specials 2 on the Steam Deck (though some functionality may be limited).
| Release Date | 9/8/2022 |
| Developer | Formirai Co., Ltd. |
| Publisher | Formirai Co., Ltd. |
| Steam App Id | 1954420 |
2. Poppy Playtime
You must stay alive in this horror/puzzle adventure. Try to survive the vengeful toys waiting for you in the abandoned toy factory. Use your GrabPack to hack electrical circuits or nab anything from afar. Explore the mysterious facility... and don't get caught.
Poppy Playtime has achieved a Player Score of 84, placing it in the #2 spot for the best free Thriller games. Its score was calculated by analyzing a total of 104,828 reviews on Steam. This breaks down to a total of 89,659 positive reviews and 15,169 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Poppy Playtime on the Steam Deck.
| Release Date | 10/12/2021 |
| Developer | Mob Entertainment |
| Publisher | Mob Entertainment |
| Steam App Id | 1721470 |
3. Book of Yog Idle RPG
The Book of Yog is a 3D idle RPG game presented with a Cel-Shading art style. You can rally heroes, develop the kingdom and explore the secrets of a lost world. Dozens of heroes, hundreds of skills, thousands of loot for you to combine freely. Come to embark on a journey to build the strongest team!
Book of Yog Idle RPG has achieved a Player Score of 64, placing it in the #3 spot for the best free Thriller games. Its score was calculated by analyzing a total of 8,057 reviews on Steam. This breaks down to a total of 5,214 positive reviews and 2,843 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Book of Yog Idle RPG on the Steam Deck (though some functionality may be limited).
4. Caliber
Caliber is a team-based online shooter focused on special forces units from all over the world. More than 70 operators with unique abilities and weapons as well as various game modes and maps are waiting for you.
Caliber has achieved a Player Score of 74, placing it in the #4 spot for the best free Thriller games. Its score was calculated by analyzing a total of 21,628 reviews on Steam. This breaks down to a total of 16,346 positive reviews and 5,282 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Caliber on the Steam Deck (though some functionality may be limited).
| Release Date | 4/12/2023 |
| Franchise | 1C Game Studios |
| Developer | 1C Game Studios |
| Publishers | |
| Steam App Id | 307950 |
5. Romance Club - Stories I Play
Immerse yourself in romantic visual stories where you control what happens!
Romance Club - Stories I Play has achieved a Player Score of 76, placing it in the #5 spot for the best free Thriller games. Its score was calculated by analyzing a total of 939 reviews on Steam. This breaks down to a total of 751 positive reviews and 188 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Romance Club - Stories I Play on the Steam Deck (though some functionality may be limited).
| Release Date | 10/13/2023 |
| Developer | Your Story Interactive |
| Publisher | Your Story Interactive |
| Steam App Id | 2433470 |
6. Hello Neighbor Alpha 1
This is Alpha 1 of Hello Neighbor, a Stealth Horror Game about sneaking into your neighbor's house and figuring out what he's hiding in the basement. Play against an advanced AI that learns from your actions.
Hello Neighbor Alpha 1 has achieved a Player Score of 89, placing it in the #6 spot for the best free Thriller games. Its score was calculated by analyzing a total of 3,851 reviews on Steam. This breaks down to a total of 3,561 positive reviews and 290 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Hello Neighbor Alpha 1 on the Steam Deck (though some functionality may be limited).
| Release Date | 10/12/2019 |
| Developer | Dynamic Pixels |
| Publisher | tinyBuild |
| Steam App Id | 1092710 |
7. 死寂（Deathly Stillness）
This is a boring zombie game with no plot, not an officially released game, please don't have high expectations.
死寂（Deathly Stillness） has achieved a Player Score of 93, placing it in the #7 spot for the best free Thriller games. Its score was calculated by analyzing a total of 21,879 reviews on Steam. This breaks down to a total of 20,930 positive reviews and 949 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play 死寂（Deathly Stillness） on the Steam Deck (though some functionality may be limited).
8. Mysterious School
"Mysterious School" is a horror game that supports multi player online and single player. Why do girls often cry on campus at midnight? What happened to the once famous No.1 middle school? Take your partner, find out the truth that the young girl has become a zombie, and help the girl reincarnate.
Mysterious School has achieved a Player Score of 39, placing it in the #8 spot for the best free Thriller games. Its score was calculated by analyzing a total of 1,732 reviews on Steam. This breaks down to a total of 650 positive reviews and 1,082 negative reviews — making it "Mostly Negative" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 2/16/2023 |
| Developers | |
| Publishers | |
| Steam App Id | 2084940 |
9. of the Devil
Immerse yourself in neon, smoke, and high-stakes legal gambles as a Defense Attorney with uniquely Killer insights in this episodic, diabolically stylish visual novel adventure game.
of the Devil has achieved a Player Score of 94, placing it in the #9 spot for the best free Thriller games. Its score was calculated by analyzing a total of 1,517 reviews on Steam. This breaks down to a total of 1,503 positive reviews and 14 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 2/6/2025 |
| Developer | nth Circle Studios |
| Publisher | nth Circle Studios |
| Steam App Id | 2739630 |
10. Hello Neighbor Alpha 2
Welcome to Alpha 2 of Hello Neighbor. Play against an advanced, self-learning AI in what eventually became Act 1 of Hello Neighbor - the stealth horror home invasion sim.
Hello Neighbor Alpha 2 has achieved a Player Score of 91, placing it in the #10 spot for the best free Thriller games. Its score was calculated by analyzing a total of 4,302 reviews on Steam. This breaks down to a total of 4,065 positive reviews and 237 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Hello Neighbor Alpha 2 on the Steam Deck.
| Release Date | 10/15/2019 |
| Franchise | Hello Neighbor Game |
| Developer | Dynamic Pixels |
| Publisher | tinyBuild |
| Steam App Id | 1092720 |
More Free Thriller Games
Explore even more rankings for the 100 best free Thriller games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 517 | 9/8/2022 | 50 | Free | Steam Charts | |
| 320 | 10/12/2021 | 84 | Free | Steam Charts | |
| 205 | 4/25/2025 | 64 | Free | Steam Charts | |
| 178 | 4/12/2023 | 74 | Free | Steam Charts | |
| 63 | 10/13/2023 | 76 | Free | Steam Charts | |
| 35 | 10/12/2019 | 89 | Free | Steam Charts | |
| 33 | 9/4/2021 | 93 | Free | Steam Charts | |
| 27 | 2/16/2023 | 39 | Free | Steam Charts | |
| 25 | 2/6/2025 | 94 | Free | Steam Charts | |
| 20 | 10/15/2019 | 91 | Free | Steam Charts | |
 | 18 | 4/20/2024 | 91 | Free | Steam Charts | |
 | 17 | 8/28/2020 | 83 | Free | Steam Charts | |
 | 15 | 10/10/2019 | 87 | Free | Steam Charts | |
 | 14 | 8/8/2024 | 46 | Free | Steam Charts | |
 | 14 | 2/21/2025 | 70 | Free | Steam Charts | |
 | 13 | 10/31/2022 | 75 | Free | Steam Charts | |
 | 9 | 2/17/2023 | 86 | Free | Steam Charts | |
 | 6 | 11/30/2023 | 77 | Free | Steam Charts | |
 | 6 | 1/8/2023 | 49 | Free | Steam Charts | |
 | 5 | 11/20/2024 | 77 | Free | Steam Charts |
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Player counts 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, December 8). Steam Store. Steam Store.
- Valve Corporation. (2025, December 8). Riichi City × The Quintessential Quintuplets Specials 2 on Steam. Steam Store.
- Valve Corporation. (2025, November 30). Poppy Playtime on Steam. Steam Store.
- Valve Corporation. (2025, December 17). Book of Yog Idle RPG on Steam. Steam Store.
- Valve Corporation. (2025, December 17). Caliber on Steam. Steam Store.
- Valve Corporation. (2025, December 12). Romance Club - Stories I Play on Steam. Steam Store.
- Valve Corporation. (2025, July 28). Hello Neighbor Alpha 1 on Steam. Steam Store.
- Valve Corporation. (2025, October 18). 死寂（Deathly Stillness） on Steam. Steam Store.
- Valve Corporation. (2025, October 4). Mysterious School on Steam. Steam Store.
- Valve Corporation. (2025, December 16). of the Devil on Steam. Steam Store.
- Valve Corporation. (2025, October 3). Hello Neighbor Alpha 2 on Steam. Steam Store.