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About Dupery: A Game of Solo Deduction
Dupery is a solo deduction game set in a noir city infiltrated by a powerful criminal syndicate. Take on the role of a detective, hunt down the syndicate criminals and uncover the head of the network. Explore individual cases, investigate roles - many of whom will be lying - and weed out the evil. There are 4 categories of roles - Innocent, Meddler, Underling and Traitor - with 175+ individual roles you will come across in your cases. Use your detective skills and a healthy amount of distrust for everyone to arrest the syndicate members as you traverse regions, all while maintaining your reputation and evading their attempts to deceive you. Avoid wrongful arrests, or you could lose your job.
Interrogate, Review, Arrest
Cases are procedurally generated on a grid containing a mix of good and evil roles. To solve a case, use clues provided by the characters and deduce whose stories are not quite checking out. Underlings lie, Traitors are worse, and even the well-meaning may be tainted. Cross reference what you hear, compile imperfect information using strings, pins and pen on your detective board and make your arrests. From the Mathematician who will announce the sum of all evil role addresses, to the critic who causes your reputation loss to be doubled, it’s up to you to investigate them and make the right decisions.
Your Reputation Is on the Line
Progress through areas by completing cases, building your way towards the final boss confrontation. Arresting good-aligned roles will reduce your reputation - letting it fall too low will get you fired. Arresting all evil roles counts as solving the case and will increase your reputation, allowing you to pick the next case to solve. Choose which roles to add to your cases in between missions, along with acquiring quirks and modifiers that will shape your runs.
Different Campaigns. One Syndicate.
Work your way through three campaigns set in distinct regions, each with its own unique mechanics and roles that alter your gameplay. Each region progresses you towards a final confrontation with the region’s syndicate general, where you will gain clues. Winning a region also unlocks new tiers of roles and quirks. Once you have unlocked all 9 tiers across every region, it’s time to enter the Syndicate's region and face the boss - a brutal final run drawing from everything you encountered on your way. It’s up to you to bring down the syndicate mastermind.
Key Features
Solo deduction roguelite with 175+ handcrafted roles
A reputation meter for you to protect as you make your arrests
3 regions with their own unique mechanics and roles
Procedurally generated cases so no two runs play the same
Different roles, quirks and modifiers to choose from between missions
Notation toolkit to build your own in-game crime board
Game Specifications
- Single player
- Windows
- Mac
System Requirements
Windows
Minimum
- OS: Windows 10 or later
- Processor: Dual Core 2.5GHz
- Memory: 2 GB RAM
- Storage: 1 GB available space
macOS
Minimum
- OS: macOS
- Processor: Dual Core 2.5GHz
- Memory: 2 GB RAM
- Graphics: AMD Radeon Pro 450
- Storage: 1 GB available space
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Frequently asked questions about Dupery: A Game of Solo Deduction
What is the cheapest price for Dupery: A Game of Solo Deduction Steam key?
The cheapest redeemable Steam key currently listed is $7.03 at Eneba. Prices were last checked on November 11, 2026.
View key offersWhat is the difference between key and account offers for Dupery: A Game of Solo Deduction?
Gamescade currently lists 20 redeemable keys and no account offers. A key is redeemed on your own account, while an account offer provides access to a separate account containing the game.
View key offersWhat are the PC system requirements for Dupery: A Game of Solo Deduction?
Minimum PC requirements for Dupery: A Game of Solo Deduction include a Dual Core 2.5GHz CPU, 2 GB RAM, and 1 GB of available storage. See the full requirements below.
What is the Dupery: A Game of Solo Deduction release date?
Dupery: A Game of Solo Deduction was released on October 15, 2026.
Is Dupery: A Game of Solo Deduction single-player, multiplayer, or co-op?
Dupery: A Game of Solo Deduction is listed as a single-player game. No multiplayer or co-op modes are currently listed.
Where can Dupery: A Game of Solo Deduction offers be activated?
Current Dupery: A Game of Solo Deduction key offers can be activated on Steam. Check the retailer page for region restrictions before buying.
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