Released Oct 15, 2026 $10.79 · −20% Very Positive Counts toward your Steam games

Dupery: A Game of Solo Deduction

By Gilded Rune Games · published by Yogscast Games

Roguelike Social Deduction Investigation Strategy Detective Crime Puzzle Turn-Based Tactics TabletopNoirPvE2D

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Reviews 707 Very Positive

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Dupery: A Game of Solo Deduction is a game tagged Roguelike, Social Deduction and Investigation by Gilded Rune Games, released Oct 15, 2026. It has 707 Steam reviews (Very Positive). The Steam games most like it include Rotten Chamber, Dungeon Tells and Pale Lies.

A solo deduction roguelite with over 175 roles, set in a noir city run by a criminal syndicate. Investigate everyone, make arrests and protect your reputation. Take down the syndicate and don’t get duped like the rest. Everyone is a suspect, trust no one. No friends required.

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<a href="https://launchrivals.com/games/3845070-dupery-a-game-of-solo-deduction"><img src="https://launchrivals.com/games/3845070/badge.png" alt="Dupery: A Game of Solo Deduction launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/3845070-dupery-a-game-of-solo-deduction"><img src="https://launchrivals.com/games/3845070/badge.png?theme=light" alt="Dupery: A Game of Solo Deduction launch date" width="320" height="84"></a>

Rotten Chamber 70% match · Social Deduction, Investigation, Strategy
Dungeon Tells 65% match · Roguelike, Social Deduction, Investigation
Pale Lies 65% match · Roguelike, Social Deduction, Detective
Demon Bluff 59% match · Roguelike, Social Deduction, Investigation
Deadline Detective 59% match · Investigation, Strategy, Detective
DeSimulate 58% match · Social Deduction, Investigation, Strategy
Hired Eye 58% match · Investigation, Detective, Crime
Grimtrace 58% match · Investigation, Detective, Crime
4 Penny Coffins 57% match · Social Deduction, Investigation, Strategy
VOICES LIE 56% match · Social Deduction, Investigation, Strategy

Steam data

Everything Steam lists for Dupery: A Game of Solo Deduction · record updated 23 hours ago

Steam store

Overview

App ID3845070

Release dateOct 15, 2026

Last change number40128196

Last record update23 hours ago

App type: Game
Developer: Gilded Rune Games
Publisher: Yogscast Games, GamerSky Games
Steam profile: Counts toward game count and achievement totals · checked 21 hours ago
Franchise: Yogscast Games
Technologies: Unity detected

Windows macOS

Single-playerSteam CloudSteam AchievementsStatsFamily Sharing

Prices

Price · US$11.99

On sale41 of 41regions right now

Lowest seen · US$11.99Oct 23, 2026

Checked3 hours agoin 41 regions

BrazilR$BRL

Every price change is kept from Oct 23, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
26081274	public	Oct 20, 2026

Depots

ID	Name	Systems	Size	Download	Manifest
3845071	—	Windows	1.44 GB	427.9 MB	6985803344514399017
3845072	—	macOS	1.45 GB	429.9 MB	8251058479376638271

Branch	Build	Updated	Access
public	26081274	Oct 20, 2026	Open

Configuration

Install foldersteamapps/common/Dupery

Executable	Arguments	Systems	Description
Dupery.exe		Windows
Dupery.app		macOS

Space per player9.5 MB

Filesup to 3

Save locations1

Root	Path	Pattern	Systems
WinAppDataLocalLow	Gilded Rune Games/Dupery/{64BitSteamID}	*.save	All

Achievements

Achievements310 hidden

Most unlocked71.2%Lone Wolf

Rarest0.1%Challenge Accepted

Lone Wolf Solve a case without using any abilities (with at least 1 ability role in play) 71.2%
Elementary Solve a Traitor case without arresting a good role. 66.3%
Humble Beginnings Successfully finish your first lead 54%
Den of Sin Unlock the Casino 40.4%
Handy Use 100 abilities 33.2%
Persecutor Arrest 200 roles 31.4%
Successful Gambler Solve a case with more chips than you started with in the Casino 27.1%
One For The Team Have a role die from using their own ability. 20.9%
Master Detective Solve 100 cases 20.5%
The Price of Justice Spend 1000 chips 18.8%
No Overtime Pay Solve a case in more than 36 hours 17.3%
Turbulent Waters Unlock the Docks 17.1%
Dedication Investigate 1000 roles. 16.5%
Executioner Kill 100 roles 12.8%
Ecologist Solve a case with more than half your fuel remaining in the Docks 12.4%
Bad Ending Solve a case with no roles alive or not arrested. 10.2%
Pocket Rockets Have a pair of Aces in your hand in the Casino 9%
Thorough Detective Solve 100 cases flawlessly 8.8%

All 31 achievements

Where It All Began Track down the Syndicate 7.4%
Keep the Motor Running Use over 500 fuel. 6.5%
Decisive Detective Solve a case without investigating a role. 6.4%
Collector Place over 250 stamps 3.9%
Good Ending Solve a case with no roles arrested or dead. 3.4%
The Syndicate Defeated Successfully finish the Syndicate region. 2.7%
Clock Tower Master Beat Tier 9 of the Office 2.2%
A Strange Town Complete a alternate mode. 1.2%
Money Maker End a case with over 400 chips in the Casino 1.1%
Sea Floor Examiner Dredge 100 roles 1%
Beat the Odds Beat Tier 9 of the Casino 0.6%
Master Seafarer Beat Tier 9 of the Docks 0.4%
Challenge Accepted Beat the syndicate on Challenge difficulty with all regions on Tier 9 0.1%