Free Conspiracy Games on Steam
Steam currently has 942 Conspiracy 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 Conspiracy game rankings were last updated on 9/23/2025.
Looking for more? Explore other lists such as:
- Best conspiracy games on Steam
- Best conspiracy Steam Deck games
- Best conspiracy Steam games for Mac OS
- Best conspiracy Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Town of Salem 2
A multiplayer online social deduction game for 7–15 players. Use deception, strategy, and teamwork to find the truth—or get away with murder.
Town of Salem 2 holds the #1 spot for "best free Conspiracy game on Steam" with a Player Score of 70. Its score was calculated by analyzing a total of 8,206 reviews on Steam. This breaks down to a total of 5,903 positive reviews and 2,303 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Town of Salem 2 on the Steam Deck (though some functionality may be limited).
| Release Date | 8/25/2023 |
| Developer | BlankMediaGames LLC |
| Publishers | |
| Steam App Id | 2140510 |
2. Deus Ex: Revision
Deus Ex: Revision is a community-made overhaul of the 2000 classic. It features new environments, music, world-building detail, and bundles in some of the best modifications the fanbase has made, including Direct3D 9 rendering, high-res textures, high-detail models, and alt gameplay modes.
Deus Ex: Revision has achieved a Player Score of 88, placing it in the #2 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 2,954 reviews on Steam. This breaks down to a total of 2,703 positive reviews and 251 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 Deus Ex: Revision on the Steam Deck (though some functionality may be limited).
| Release Date | 10/13/2015 |
| Developers | |
| Publisher | Caustic Creative |
| Steam App Id | 397550 |
3. Secret World Legends
Secret World Legends is a story-driven, shared-world action RPG that plunges players into a shadowy war against the supernatural, where ancient myths and legends cross over into the modern day.
Secret World Legends has achieved a Player Score of 66, placing it in the #3 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 9,124 reviews on Steam. This breaks down to a total of 6,148 positive reviews and 2,976 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Secret World Legends on the Steam Deck.
4. The Council
Experience a Narrative Adventure where your choices and character growth truly matter. As a member of a 1793 secret society, live a tale of intrigue and manipulation on the hunt for your missing mother.
The Council has achieved a Player Score of 81, placing it in the #4 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 5,430 reviews on Steam. This breaks down to a total of 4,557 positive reviews and 873 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 The Council on the Steam Deck (though some functionality may be limited).
| Release Date | 3/13/2018 |
| Developer | Big Bad Wolf |
| Publisher | Focus Entertainment |
| Steam App Id | 287630 |
5. The Fortress of Varnolis
Help guide a young boy escape a terrible nightmare in a castle. Discover the long buried secrets within the dark.The Fortress of Varnolis is a mystery horror game where you explore the deepest reaches of the ancient Fortress that you have awoken within.
The Fortress of Varnolis has achieved a Player Score of 69, placing it in the #5 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 13 reviews on Steam. This breaks down to a total of 11 positive reviews and 2 negative reviews — making it "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 | 10/13/2021 |
| Developer | Daniel Agerman |
| Publisher | Daniel Agerman |
| Steam App Id | 1714010 |
6. Mr. Prepper: Prologue
Mr. Prepper: Prologue is a free standalone version of the game Mr. Prepper, featuring an essential part of the story.
Mr. Prepper: Prologue has achieved a Player Score of 80, placing it in the #6 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 2,548 reviews on Steam. This breaks down to a total of 2,120 positive reviews and 428 negative reviews — making it "Very 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 | 8/27/2020 |
| Franchise | Rejected Games |
| Developer | Rejected Games |
| Publishers | |
| Steam App Id | 1340530 |
7. Prime Horror II
A comedic 4v1 8 page horror game.
Prime Horror II has achieved a Player Score of 67, placing it in the #7 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 101 reviews on Steam. This breaks down to a total of 74 positive reviews and 27 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 | 11/5/2022 |
| Developer | Forge Tek Studios |
| Publisher | Forge Tek Studios |
| Steam App Id | 2117420 |
8. Sicaria
Antwerp 1576, Spanish Fury is putting the city to the sword. You intend to stop the atrocities by eliminating the menace. Sicaria is a FREE game made by third year students from Breda University.
Sicaria has achieved a Player Score of 74, placing it in the #8 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 141 reviews on Steam. This breaks down to a total of 114 positive reviews and 27 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 Sicaria on the Steam Deck.
| Release Date | 6/20/2024 |
| Developers | |
| Publisher | Breda University of Applied Sciences |
| Steam App Id | 2707390 |
9. Hello Neighbor 2 Alpha 1.5
Hello Neighbor 2 is a Stealth Horror Game where you’re being stalked by a mysterious creature as you try to track down Mr. Peterson (The Neighbor) who has disappeared after the events of the first game. Play against an advanced, self-learning AI that tracks and adapts to your every move.
Hello Neighbor 2 Alpha 1.5 has achieved a Player Score of 84, placing it in the #9 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 6,023 reviews on Steam. This breaks down to a total of 5,222 positive reviews and 801 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 2 Alpha 1.5 on the Steam Deck.
| Release Date | 7/23/2020 |
| Franchise | Hello Neighbor Game |
| Developers | |
| Publisher | tinyBuild |
| Steam App Id | 1364960 |
10. Mean Beans
Mean Beans is a FREE Battle Royale FPS where being the last bean alive isn't the only way to win! Play multiple rounds and collect points by not only being the last player standing, but killing other players as well! The bean with the most points at the end wins!
Mean Beans has achieved a Player Score of 73, placing it in the #10 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 165 reviews on Steam. This breaks down to a total of 131 positive reviews and 34 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 Mean Beans on the Steam Deck (though some functionality may be limited).
| Release Date | 7/24/2023 |
| Developer | Devved Games |
| Publisher | Devved Games |
| Steam App Id | 2189040 |
More Free Conspiracy Games
Explore even more rankings for the 100 best free Conspiracy games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 361 | 8/25/2023 | 70 | Free | Steam Charts | |
| 90 | 10/13/2015 | 88 | Free | Steam Charts | |
| 56 | 7/31/2017 | 66 | Free | Steam Charts | |
| 9 | 3/13/2018 | 81 | Free | Steam Charts | |
| 4 | 10/13/2021 | 69 | Free | Steam Charts | |
| 4 | 8/27/2020 | 80 | Free | Steam Charts | |
| 4 | 11/5/2022 | 67 | Free | Steam Charts | |
| 3 | 6/20/2024 | 74 | Free | Steam Charts | |
| 3 | 7/23/2020 | 84 | Free | Steam Charts | |
| 2 | 7/24/2023 | 73 | Free | Steam Charts | |
 | 2 | 7/25/2022 | 87 | Free | Steam Charts | |
 | 2 | 12/4/2017 | 61 | Free | Steam Charts | |
 | 2 | 10/7/2022 | 87 | Free | Steam Charts | |
 | 2 | 12/15/2023 | 75 | Free | Steam Charts | |
 | 2 | 7/28/2022 | 67 | Free | Steam Charts | |
 | 2 | 4/1/2025 | 83 | Free | Steam Charts | |
 | 2 | 5/13/2022 | 79 | Free | Steam Charts | |
 | 1 | 8/26/2025 | 69 | Free | Steam Charts | |
 | 1 | 2/14/2021 | 57 | Free | Steam Charts | |
 | 1 | 8/21/2022 | 72 | 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, September 23). Steam Store. Steam Store.
- Valve Corporation. (2025, September 23). Town of Salem 2 on Steam. Steam Store.
- Valve Corporation. (2025, September 27). Deus Ex: Revision on Steam. Steam Store.
- Valve Corporation. (2025, July 11). Secret World Legends on Steam. Steam Store.
- Valve Corporation. (2025, September 4). The Council on Steam. Steam Store.
- Valve Corporation. (2025, April 17). The Fortress of Varnolis on Steam. Steam Store.
- Valve Corporation. (2025, September 27). Mr. Prepper: Prologue on Steam. Steam Store.
- Valve Corporation. (2025, August 16). Prime Horror II on Steam. Steam Store.
- Valve Corporation. (2025, September 5). Sicaria on Steam. Steam Store.
- Valve Corporation. (2025, September 27). Hello Neighbor 2 Alpha 1.5 on Steam. Steam Store.
- Valve Corporation. (2025, September 4). Mean Beans on Steam. Steam Store.