Dupery: A Game of Solo Deduction - PC (Steam)
Release date: 15 Oct 2026
Item 1 of 11
Item 1 of 11
$14.99
$10.09
Instant Delivery is available!
Activates in United States
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 over 200 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 you...
Platform:
Age Limit:+N/A
Publisher:
Developer:Gilded Rune Games
Release Date:15 Oct 2026
Dupery: A Game of Solo Deduction trailer
How to redeem Dupery: A Game of Solo Deduction on Steam
- 1Open the Steam client on your PC.
- 2Log in to your account.
- 3Click "ADD A GAME" in the bottom left corner of the window.
- 4Click "Next" and "I agree" in the window that opens.
- 5Paste your activation code into the blank field and click "Next".
Frequently Asked Questions
Safety is built into every ALLYOUPLAY purchase: PC keys come directly from authorized distributors, checkout runs on SSL encryption, and buyer protection covers your order. The store maintains a 4.4/5 Trustpilot score from 2,000+ reviewers.
Activate your Steam key by opening the Steam client, clicking "+ ADD A GAME," and selecting "Activate a Product on Steam." Paste the code from your ALLYOUPLAY account to add the game to your library.
Official guides: Steam
PC keys activate on Steam, Epic Games Store, GOG, Microsoft Store, or Rockstar Games Launcher, depending on the title. Each product page confirms the exact launcher, and the Platform filter lets you browse by store.
Most PC and Steam keys are global, though some titles carry publisher-imposed region restrictions. Every product page shows an activation badge. Use "Check country restrictions" to confirm it works in your country before you buy.
Game key delivery is instant, 24/7. For rare exceptions like pre-orders or temporary stock updates, a clear warning will pop up the moment you add the item to your cart, ensuring you're never left guessing.
ALLYOUPLAY accepts Visa, Mastercard, American Express, PayPal, Apple Pay, Google Pay and Volt, with prices shown in your local currency. Every transaction is SSL-encrypted.
PC games cost less on ALLYOUPLAY because keys are bought in bulk directly from publishers and regional distributors, with savings passed to players. New releases, pre-orders, and back-catalogue titles are regularly discounted below Steam list prices.
If your key or code doesn't activate, contact support on Discord or at [email protected] with your order ID and an error screenshot. The team will troubleshoot and arrange a replacement or refund for verified faulty codes.