Free Conspiracy Games on Steam
Steam currently has 856 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 8/17/2025.
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 71. Its score was calculated by analyzing a total of 8,065 reviews on Steam. This breaks down to a total of 5,842 positive reviews and 2,223 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. 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 #2 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 9,091 reviews on Steam. This breaks down to a total of 6,125 positive reviews and 2,966 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.
3. 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 #3 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 2,891 reviews on Steam. This breaks down to a total of 2,642 positive reviews and 249 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 |
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 5,982 reviews on Steam. This breaks down to a total of 5,178 positive reviews and 804 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. Throne of Lies®: Medieval Politics
The 3D online multiplayer game of social deduction and mischief, inspired by medieval politics and the Werewolf/Mafia (1986) genre. Gather 'round the tabletop, uniting allies of the realm with strategy to distinguish friend from foe.
Throne of Lies®: Medieval Politics has achieved a Player Score of 74, placing it in the #5 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 2,718 reviews on Steam. This breaks down to a total of 2,068 positive reviews and 650 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 | 9/29/2017 |
| Developers | |
| Publishers | |
| Steam App Id | 595280 |
6. 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 80, placing it in the #6 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 866 reviews on Steam. This breaks down to a total of 736 positive reviews and 130 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 |
7. Coins Invaders
Save Bitcoin from this currency madness by destroying altcoins while the Fed keeps us in this currency issuance currency madness
Coins Invaders has achieved a Player Score of 68, placing it in the #7 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 36 reviews on Steam. This breaks down to a total of 28 positive reviews and 8 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 | 2/15/2022 |
| Developers | |
| Publisher | Netdreams - Regob EIRL |
| Steam App Id | 1710840 |
8. 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 #8 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 2,544 reviews on Steam. This breaks down to a total of 2,116 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 |
9. Project Crypt
Project Crypt: The horror adventure about escaping a city overrun by monsters.
Project Crypt has achieved a Player Score of 78, placing it in the #9 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 317 reviews on Steam. This breaks down to a total of 268 positive reviews and 49 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 |
10. 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 #10 spot for the best free Conspiracy games. Its score was calculated by analyzing a total of 5,397 reviews on Steam. This breaks down to a total of 4,526 positive reviews and 871 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 |
More Free Conspiracy Games
Explore even more rankings for the 100 best free Conspiracy games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 373 | 8/25/2023 | 71 | Free | Steam Charts | |
| 49 | 7/31/2017 | 66 | Free | Steam Charts | |
| 29 | 10/13/2015 | 88 | Free | Steam Charts | |
| 17 | 7/23/2020 | 84 | Free | Steam Charts | |
| 8 | 9/29/2017 | 74 | Free | Steam Charts | |
| 7 | 12/29/2020 | 80 | Free | Steam Charts | |
| 4 | 2/15/2022 | 68 | Free | Steam Charts | |
| 4 | 8/27/2020 | 80 | Free | Steam Charts | |
| 3 | 5/13/2022 | 78 | Free | Steam Charts | |
| 3 | 3/13/2018 | 81 | Free | Steam Charts | |
 | 2 | 9/17/2020 | 78 | Free | Steam Charts | |
 | 2 | 7/25/2022 | 87 | Free | Steam Charts | |
 | 2 | 11/14/2024 | 71 | Free | Steam Charts | |
 | 2 | 10/13/2021 | 69 | Free | Steam Charts | |
 | 2 | 5/4/2023 | 87 | Free | Steam Charts | |
 | 2 | 6/21/2023 | 71 | Free | Steam Charts | |
 | 2 | 3/10/2023 | 73 | Free | Steam Charts | |
 | 1 | 8/21/2022 | 72 | Free | Steam Charts | |
 | 1 | 12/10/2024 | 78 | Free | Steam Charts | |
 | 1 | 10/3/2022 | 80 | 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, August 17). Steam Store. Steam Store.
- Valve Corporation. (2025, August 17). Town of Salem 2 on Steam. Steam Store.
- Valve Corporation. (2025, July 11). Secret World Legends on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Deus Ex: Revision on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Hello Neighbor 2 Alpha 1.5 on Steam. Steam Store.
- Valve Corporation. (2025, March 16). Throne of Lies®: Medieval Politics on Steam. Steam Store.
- Valve Corporation. (2025, August 19). Hello Neighbor 2 Alpha 1 on Steam. Steam Store.
- Valve Corporation. (2025, July 27). Coins Invaders on Steam. Steam Store.
- Valve Corporation. (2025, August 14). Mr. Prepper: Prologue on Steam. Steam Store.
- Valve Corporation. (2025, August 18). Project Crypt on Steam. Steam Store.
- Valve Corporation. (2025, August 18). The Council on Steam. Steam Store.