Free Conspiracy Games on Steam
Steam currently has 713 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 1/10/2025.
Looking for more? Explore other lists such as:
- Best conspiracy games on Steam
- Best conspiracy Steam Deck games
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- 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 8,990 reviews on Steam. This breaks down to a total of 6,045 positive reviews and 2,945 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 2,728 reviews on Steam. This breaks down to a total of 2,488 positive reviews and 240 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 5,196 reviews on Steam. This breaks down to a total of 4,357 positive reviews and 839 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. 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 #4 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 5,815 reviews on Steam. This breaks down to a total of 5,026 positive reviews and 789 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 |
5. 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 #5 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 2,529 reviews on Steam. This breaks down to a total of 2,104 positive reviews and 425 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 |
6. WhiteTrick
WhiteTrick is a turn-based multiplayer board game that pits police officers against second-hand dealer fraudsters. White evades the police and commits additional crimes. And the police deployed to prevent his further crimes investigate, find clues, guess his route, and apprehend White!
WhiteTrick has achieved a Player Score of 78, placing it in the #6 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 14 reviews on Steam. This breaks down to a total of 14 positive reviews and 0 negative reviews — making it "Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 12/15/2023 |
| Developer | SIA UNIVERSE |
| Publisher | SIA UNIVERSE |
| Steam App Id | 2709980 |
7. Hello Neighbor 2 Alpha 1
Alpha 1 of Hello Neighbor 2 is back! It is a Stealth Horror Game where you’re being stalked by a mysterious creature as you try to track down Mr. Peterson who has disappeared after the events of the first game. Play against an advanced, self-learning AI that adapts to your every move.
Hello Neighbor 2 Alpha 1 has achieved a Player Score of 81, placing it in the #7 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 761 reviews on Steam. This breaks down to a total of 652 positive reviews and 109 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 2 Alpha 1 on the Steam Deck (though some functionality may be limited).
| Release Date | 12/29/2020 |
| Franchise | Hello Neighbor Game |
| Developers | |
| Publisher | tinyBuild |
| Steam App Id | 1373880 |
8. 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 84, placing it in the #8 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 469 reviews on Steam. This breaks down to a total of 423 positive reviews and 46 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 |
9. Twilight Town
Delve up the darkest secrets of mystical city and unravel the web of intrigues in a compelling hidden object game Twilight Town!
Twilight Town has achieved a Player Score of 59, placing it in the #9 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 134 reviews on Steam. This breaks down to a total of 83 positive reviews and 51 negative reviews — making it "Mixed" 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 | 12/4/2017 |
| Developer | Absolutist Ltd. |
| Publisher | Absolutist Ltd. |
| Steam App Id | 486460 |
10. Cyber Ops Prologue
Become a military hacker and help your black ops team reach their goal in this noir cyberpunk tactical game. Scan, hack, overtake, control and manage high tech devices, vehicles and even enemy cyborgs with cutting-edge implants.
Cyber Ops Prologue has achieved a Player Score of 64, placing it in the #10 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 44 reviews on Steam. This breaks down to a total of 31 positive reviews and 13 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 Cyber Ops Prologue on the Steam Deck (though some functionality may be limited).
| Release Date | 5/9/2020 |
| Developer | Octeto Studios |
| Publisher | Games Operators |
| Steam App Id | 1308870 |
More Free Conspiracy Games
Explore even more rankings for the 100 best free Conspiracy games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 55 | 7/31/2017 | 66 | Free | Steam Charts | |
| 40 | 10/13/2015 | 87 | Free | Steam Charts | |
| 19 | 3/13/2018 | 81 | Free | Steam Charts | |
| 16 | 7/23/2020 | 84 | Free | Steam Charts | |
| 3 | 8/27/2020 | 80 | Free | Steam Charts | |
| 3 | 12/15/2023 | 78 | Free | Steam Charts | |
| 3 | 12/29/2020 | 81 | Free | Steam Charts | |
| 3 | 7/27/2020 | 84 | Free | Steam Charts | |
| 3 | 12/4/2017 | 59 | Free | Steam Charts | |
| 2 | 5/9/2020 | 64 | Free | Steam Charts | |
 | 2 | 9/18/2020 | 79 | Free | Steam Charts | |
 | 2 | 6/18/2024 | 74 | Free | Steam Charts | |
 | 2 | 5/5/2023 | 87 | Free | Steam Charts | |
 | 2 | 11/14/2024 | 72 | Free | Steam Charts | |
 | 2 | 4/14/2023 | 63 | Free | Steam Charts | |
 | 2 | 9/20/2023 | 67 | Free | Steam Charts | |
 | 1 | 8/11/2024 | 65 | Free | Steam Charts | |
 | 1 | 8/21/2022 | 72 | Free | Steam Charts | |
 | 1 | 7/26/2021 | 75 | Free | Steam Charts | |
 | 1 | 1/17/2024 | 78 | 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, January 10). Steam Store. Steam Store.
- Valve Corporation. (2025, January 10). Secret World Legends on Steam. Steam Store.
- Valve Corporation. (2024, September 8). Deus Ex: Revision on Steam. Steam Store.
- Valve Corporation. (2024, December 19). The Council on Steam. Steam Store.
- Valve Corporation. (2025, January 8). Hello Neighbor 2 Alpha 1.5 on Steam. Steam Store.
- Valve Corporation. (2025, January 9). Mr. Prepper: Prologue on Steam. Steam Store.
- Valve Corporation. (2024, October 8). WhiteTrick on Steam. Steam Store.
- Valve Corporation. (2025, January 9). Hello Neighbor 2 Alpha 1 on Steam. Steam Store.
- Valve Corporation. (2025, January 11). Beneath a Steel Sky (1994) on Steam. Steam Store.
- Valve Corporation. (2024, December 1). Twilight Town on Steam. Steam Store.
- Valve Corporation. (2024, December 24). Cyber Ops Prologue on Steam. Steam Store.