Free Conspiracy Games on Steam
Steam currently has 800 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 5/14/2025.
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. 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 holds the #1 spot for "best free Conspiracy game on Steam" with a Player Score of 66. Its score was calculated by analyzing a total of 9,053 reviews on Steam. This breaks down to a total of 6,100 positive reviews and 2,953 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.
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 87, placing it in the #2 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 2,833 reviews on Steam. This breaks down to a total of 2,585 positive reviews and 248 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. 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 #3 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 5,328 reviews on Steam. This breaks down to a total of 4,463 positive reviews and 865 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 |
4. Arima Lodge
One of Arima Lodge's bellhops rides the elevator for his usual shift, but, after a man rushes into the elevator and compels him to get to the rooftop instead, he starts to realize something very serious is amiss.
Arima Lodge has achieved a Player Score of 78, placing it in the #4 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 80 reviews on Steam. This breaks down to a total of 70 positive reviews and 10 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
5. 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 #5 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 5,924 reviews on Steam. This breaks down to a total of 5,132 positive reviews and 792 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 |
6. The Purge Dilemma
Do you have the intuition and cunning to successfully save yourself from the purges of a paranoid dictator? Prove your loyalty to the Tyrant in this social deduction game designed for 5-10 players.
The Purge Dilemma has achieved a Player Score of 79, placing it in the #6 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 296 reviews on Steam. This breaks down to a total of 252 positive reviews and 44 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.
7. Downbass Warriors: Heroes of Maydamn
DownBass Warriors: Heroes of MayDamn (DWHOM) is a hardcore first-person shooter with nice physics, a trouble-free, enjoyable shooting and an advanced character injury systems. A unique, one of a kind character armor customization system was also introduced in the game . So what are you waiting for?
Downbass Warriors: Heroes of Maydamn has achieved a Player Score of 71, placing it in the #7 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 75 reviews on Steam. This breaks down to a total of 59 positive reviews and 16 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Downbass Warriors: Heroes of Maydamn on the Steam Deck (though some functionality may be limited).
| Release Date | 6/21/2023 |
| Developer | NickCO GAMES |
| Publisher | NickCO GAMES |
| Steam App Id | 2112090 |
8. Birds Aren't Real: The Game
Birds Aren’t Real is a 3D sandbox game with a comic twist.Based on the real-life satirical conspiracy theory, play as a government surveillance pigeon drone, using sneaky maneuvers and creative thinking to manipulate the citizens and dispel their suspicions about the government's avian task force.
Birds Aren't Real: The Game has achieved a Player Score of 75, placing it in the #8 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 509 reviews on Steam. This breaks down to a total of 402 positive reviews and 107 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 Birds Aren't Real: The Game on the Steam Deck (though some functionality may be limited).
9. Beneath a Steel Sky (1994)
After being abducted by brutal soldiers and his kinfolk butchered, Robert Foster finds himself in Union City - a vast metropolis under the tyranny of a fascist AI. Alone, save for the circuit board of his best friend, Foster must discover the sinister truth - and why they specifically came for him.
Beneath a Steel Sky (1994) has achieved a Player Score of 83, placing it in the #9 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 500 reviews on Steam. This breaks down to a total of 447 positive reviews and 53 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Beneath a Steel Sky (1994) on the Steam Deck (though some functionality may be limited).
| Release Date | 7/27/2020 |
| Franchise | Revolution Software |
| Developer | Revolution Software Ltd |
| Publisher | Revolution Software Ltd |
| Steam App Id | 1368340 |
10. Project Crypt
Project Crypt: The horror adventure about escaping a city overrun by monsters.
Project Crypt has achieved a Player Score of 79, placing it in the #10 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 291 reviews on Steam. This breaks down to a total of 248 positive reviews and 43 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 Project Crypt on the Steam Deck (though some functionality may be limited).
| Release Date | 5/13/2022 |
| Developer | Skullazon Interactive |
| Publisher | Skullazon Interactive |
| Steam App Id | 1988750 |
More Free Conspiracy Games
Explore even more rankings for the 100 best free Conspiracy games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 26 | 7/31/2017 | 66 | Free | Steam Charts | |
| 24 | 10/13/2015 | 87 | Free | Steam Charts | |
| 19 | 3/13/2018 | 81 | Free | Steam Charts | |
| 7 | 12/10/2024 | 78 | Free | Steam Charts | |
| 6 | 7/23/2020 | 84 | Free | Steam Charts | |
| 5 | 6/26/2023 | 79 | Free | Steam Charts | |
| 5 | 6/21/2023 | 71 | Free | Steam Charts | |
| 4 | 9/9/2023 | 75 | Free | Steam Charts | |
| 2 | 7/27/2020 | 83 | Free | Steam Charts | |
| 2 | 5/13/2022 | 79 | Free | Steam Charts | |
 | 2 | 10/3/2022 | 80 | Free | Steam Charts | |
 | 2 | 9/19/2023 | 67 | Free | Steam Charts | |
 | 2 | 6/16/2023 | 70 | Free | Steam Charts | |
 | 1 | 2/16/2025 | 56 | Free | Steam Charts | |
 | 1 | 1/11/2021 | 70 | Free | Steam Charts | |
 | 1 | 2/15/2021 | 57 | Free | Steam Charts | |
 | 1 | 8/21/2022 | 73 | Free | Steam Charts | |
 | 1 | 5/5/2023 | 87 | Free | Steam Charts | |
 | 1 | 12/15/2024 | 70 | Free | Steam Charts | |
 | 1 | 7/27/2021 | 75 | 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 14). Steam Store. Steam Store.
- Valve Corporation. (2025, May 14). Secret World Legends on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Deus Ex: Revision on Steam. Steam Store.
- Valve Corporation. (2025, May 22). The Council on Steam. Steam Store.
- Valve Corporation. (2025, April 26). Arima Lodge on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Hello Neighbor 2 Alpha 1.5 on Steam. Steam Store.
- Valve Corporation. (2025, March 30). The Purge Dilemma on Steam. Steam Store.
- Valve Corporation. (2025, May 15). Downbass Warriors: Heroes of Maydamn on Steam. Steam Store.
- Valve Corporation. (2025, May 19). Birds Aren't Real: The Game on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Beneath a Steel Sky (1994) on Steam. Steam Store.
- Valve Corporation. (2025, May 15). Project Crypt on Steam. Steam Store.