Free Thriller Games on Steam
Steam currently has 2,579 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 5/5/2025.
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. 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 holds the #1 spot for "best free Thriller game on Steam" with a Player Score of 63. Its score was calculated by analyzing a total of 7,240 reviews on Steam. This breaks down to a total of 4,635 positive reviews and 2,605 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).
2. 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 75, placing it in the #2 spot for the best free Thriller games. Its score was calculated by analyzing a total of 20,437 reviews on Steam. This breaks down to a total of 15,596 positive reviews and 4,841 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 |
3. Riichi City
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 has achieved a Player Score of 51, placing it in the #3 spot for the best free Thriller games. Its score was calculated by analyzing a total of 3,488 reviews on Steam. This breaks down to a total of 1,791 positive reviews and 1,697 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 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 |
4. 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 #4 spot for the best free Thriller games. Its score was calculated by analyzing a total of 98,157 reviews on Steam. This breaks down to a total of 83,427 positive reviews and 14,730 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 |
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 824 reviews on Steam. This breaks down to a total of 659 positive reviews and 165 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. 湖中天空 ：CAELUM IN LACU
《湖中天空 ：CAELUM IN LACU》是以RPGMaker引擎制作的解谜冒险向角色扮演类像素俯视角RPG游戏。 玩家将在游戏开始时以“林间浦叶”这一角色的视角进行探索，并在学院内的不断探索中结识几位性格各异的女性，与一部手机中的神秘联系人“赞丹的风车”一起逐步揭开这所学院内发生的秘辛往事。
湖中天空 ：CAELUM IN LACU has achieved a Player Score of 62, placing it in the #6 spot for the best free Thriller games. Its score was calculated by analyzing a total of 11 reviews on Steam. This breaks down to a total of 8 positive reviews and 3 negative reviews — making it "Mostly Positive" 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 | 3/31/2025 |
| Developer | Hikari Games |
| Publisher | Hikari Games |
| Steam App Id | 3548060 |
7. Garten of Banban 0
Explore the origins of the mysterious Banban’s Kindergarten. Survive the dark past of the establishment. Try to make some friends. Uncover the truth behind the place, and who you are…
Garten of Banban 0 has achieved a Player Score of 70, placing it in the #7 spot for the best free Thriller games. Its score was calculated by analyzing a total of 2,601 reviews on Steam. This breaks down to a total of 1,881 positive reviews and 720 negative reviews — making it "Mostly Positive" 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 | 2/21/2025 |
| Franchise | Euphoric Universe |
| Developer | Euphoric Brothers |
| Publisher | Euphoric Brothers |
| Steam App Id | 3300410 |
8. 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 #8 spot for the best free Thriller games. Its score was calculated by analyzing a total of 21,465 reviews on Steam. This breaks down to a total of 20,543 positive reviews and 922 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).
9. 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 #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 564 positive reviews and 953 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 | 2/17/2023 |
| Developers | |
| Publishers | |
| Steam App Id | 2084940 |
10. 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 93, placing it in the #10 spot for the best free Thriller games. Its score was calculated by analyzing a total of 925 reviews on Steam. This breaks down to a total of 917 positive reviews and 8 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 |
More Free Thriller Games
Explore even more rankings for the 100 best free Thriller games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,255 | 4/25/2025 | 63 | Free | Steam Charts | |
| 937 | 4/12/2023 | 75 | Free | Steam Charts | |
| 514 | 9/8/2022 | 51 | Free | Steam Charts | |
| 487 | 10/12/2021 | 84 | Free | Steam Charts | |
| 124 | 10/13/2023 | 76 | Free | Steam Charts | |
| 50 | 3/31/2025 | 62 | Free | Steam Charts | |
| 47 | 2/21/2025 | 70 | Free | Steam Charts | |
| 30 | 9/4/2021 | 93 | Free | Steam Charts | |
| 24 | 2/17/2023 | 39 | Free | Steam Charts | |
| 20 | 2/6/2025 | 93 | Free | Steam Charts | |
 | 18 | 8/28/2020 | 82 | Free | Steam Charts | |
 | 18 | 4/20/2024 | 91 | Free | Steam Charts | |
 | 16 | 9/28/2023 | 45 | Free | Steam Charts | |
 | 13 | 1/6/2023 | 52 | Free | Steam Charts | |
 | 11 | 10/31/2022 | 75 | Free | Steam Charts | |
![[Nightmare Files] Clap Clap steam charts](https://cdn.akamai.steamstatic.com/steam/apps/2933290/header.jpg) | 11 | 6/4/2024 | 92 | Free | Steam Charts | |
 | 8 | 10/12/2019 | 89 | Free | Steam Charts | |
 | 8 | 5/31/2023 | 94 | Free | Steam Charts | |
 | 7 | 10/15/2019 | 91 | Free | Steam Charts | |
 | 6 | 8/26/2021 | 90 | 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, May 5). Steam Store. Steam Store.
- Valve Corporation. (2025, May 5). Book of Yog Idle RPG on Steam. Steam Store.
- Valve Corporation. (2025, May 5). Caliber on Steam. Steam Store.
- Valve Corporation. (2025, April 12). Riichi City on Steam. Steam Store.
- Valve Corporation. (2025, April 22). Poppy Playtime on Steam. Steam Store.
- Valve Corporation. (2025, May 2). Romance Club - Stories I Play on Steam. Steam Store.
- Valve Corporation. (2025, April 26). 湖中天空 ：CAELUM IN LACU on Steam. Steam Store.
- Valve Corporation. (2025, May 4). Garten of Banban 0 on Steam. Steam Store.
- Valve Corporation. (2025, May 7). 死寂（Deathly Stillness） on Steam. Steam Store.
- Valve Corporation. (2025, April 23). Mysterious School on Steam. Steam Store.
- Valve Corporation. (2025, May 5). of the Devil on Steam. Steam Store.