Free Thriller Games on Steam
Steam currently has 2,702 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 6/26/2025.
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 7,464 reviews on Steam. This breaks down to a total of 4,794 positive reviews and 2,670 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 20,687 reviews on Steam. This breaks down to a total of 15,737 positive reviews and 4,950 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. 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 #3 spot for the best free Thriller games. Its score was calculated by analyzing a total of 99,463 reviews on Steam. This breaks down to a total of 84,607 positive reviews and 14,856 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 |
4. Riichi City × OVERLORD
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 × OVERLORD has achieved a Player Score of 51, placing it in the #4 spot for the best free Thriller games. Its score was calculated by analyzing a total of 3,660 reviews on Steam. This breaks down to a total of 1,863 positive reviews and 1,797 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 × OVERLORD 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 |
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 75, placing it in the #5 spot for the best free Thriller games. Its score was calculated by analyzing a total of 842 reviews on Steam. This breaks down to a total of 666 positive reviews and 176 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. 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 #6 spot for the best free Thriller games. Its score was calculated by analyzing a total of 2,803 reviews on Steam. This breaks down to a total of 2,019 positive reviews and 784 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 |
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 21,570 reviews on Steam. This breaks down to a total of 20,644 positive reviews and 926 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. 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 has achieved a Player Score of 91, placing it in the #8 spot for the best free Thriller games. Its score was calculated by analyzing a total of 2,599 reviews on Steam. This breaks down to a total of 2,484 positive reviews and 115 negative reviews — making it "Overwhelmingly Positive" on Steam.
It 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.
| Release Date | 4/20/2024 |
| Developer | NovaSoft Interactive Ltd. |
| Publisher | NovaSoft Interactive Ltd. |
| Steam App Id | 2762230 |
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 1,561 reviews on Steam. This breaks down to a total of 580 positive reviews and 981 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. 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 #10 spot for the best free Thriller games. Its score was calculated by analyzing a total of 3,516 reviews on Steam. This breaks down to a total of 3,246 positive reviews and 270 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 |
More Free Thriller Games
Explore even more rankings for the 100 best free Thriller games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,083 | 4/25/2025 | 63 | Free | Steam Charts | |
| 939 | 4/12/2023 | 75 | Free | Steam Charts | |
| 789 | 10/12/2021 | 84 | Free | Steam Charts | |
| 641 | 9/8/2022 | 51 | Free | Steam Charts | |
| 140 | 10/13/2023 | 75 | Free | Steam Charts | |
| 85 | 2/21/2025 | 70 | Free | Steam Charts | |
| 70 | 9/4/2021 | 93 | Free | Steam Charts | |
| 48 | 4/20/2024 | 91 | Free | Steam Charts | |
| 46 | 2/17/2023 | 39 | Free | Steam Charts | |
| 33 | 10/12/2019 | 89 | Free | Steam Charts | |
 | 27 | 9/28/2023 | 43 | Free | Steam Charts | |
 | 25 | 10/15/2019 | 91 | Free | Steam Charts | |
 | 24 | 8/28/2020 | 82 | Free | Steam Charts | |
 | 16 | 1/6/2023 | 52 | Free | Steam Charts | |
 | 16 | 10/10/2019 | 86 | Free | Steam Charts | |
![[Nightmare Files] Clap Clap steam charts](https://cdn.akamai.steamstatic.com/steam/apps/2933290/header.jpg) | 13 | 6/4/2024 | 92 | Free | Steam Charts | |
 | 12 | 6/1/2023 | 93 | Free | Steam Charts | |
 | 11 | 10/31/2022 | 75 | Free | Steam Charts | |
 | 11 | 2/17/2023 | 86 | Free | Steam Charts | |
 | 9 | 8/8/2024 | 47 | 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, June 26). Steam Store. Steam Store.
- Valve Corporation. (2025, June 26). Book of Yog Idle RPG on Steam. Steam Store.
- Valve Corporation. (2025, June 18). Caliber on Steam. Steam Store.
- Valve Corporation. (2025, June 8). Poppy Playtime on Steam. Steam Store.
- Valve Corporation. (2025, June 24). Riichi City × OVERLORD on Steam. Steam Store.
- Valve Corporation. (2025, June 24). Romance Club - Stories I Play on Steam. Steam Store.
- Valve Corporation. (2025, June 26). Garten of Banban 0 on Steam. Steam Store.
- Valve Corporation. (2025, June 25). 死寂（Deathly Stillness） on Steam. Steam Store.
- Valve Corporation. (2025, June 25). Aurora Hills: Chapter 1 on Steam. Steam Store.
- Valve Corporation. (2025, June 24). Mysterious School on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Hello Neighbor Alpha 1 on Steam. Steam Store.