Steam specs (min / recommended)
Minimum: Système d'exploitation : Windows 10 ou plus récent Processeur : Dual Core 2.5GHz Mémoire vive : 2 GB de mémoire Espace disque : 1 GB d'espace disque disponible
Dupery: A Game of Solo Deduction
Players are quietly losing entire workweeks to the art of deception, with the highest praise coming from veterans boasting over 25 hours on the clock at a 98% approval rate. Across the entire Steam history of 830 reviews, the title maintains an 84% positive rating, while 404 post-release assessments sit at 83% positive.
What it's about: Un terrible syndicat s’est infiltré dans la société. Menez l’enquête sur diverses affaires, écoutez ce que les citoyens ont à dire et utilisez ces informations pour distinguer le bien du mal dans ce jeu de déduction roguelike. Parviendrez-vous à démasquer le chef du syndicat?
In-game
In players' words
Anonymized excerpts from public Steam reviews — picked among those most voted "helpful" by the community.
What players say, by aspect
Detailed data (table)
| Aspect | Mentions | Positive | Mixed | Negative |
|---|---|---|---|---|
| Gameplay | 159 | 132 | 7 | 20 |
| Content / longevity | 33 | 23 | 1 | 9 |
| Story / writing | 16 | 13 | 0 | 3 |
| Audio / music | 15 | 12 | 1 | 2 |
| Interface / UX | 12 | 3 | 0 | 9 |
| Graphics / art | 10 | 10 | 0 | 0 |
| Stability / bugs | 10 | 0 | 0 | 10 |
| Value for money | 7 | 7 | 0 | 0 |
| Performance | 2 | 1 | 0 | 1 |
| Multiplayer | 1 | 0 | 0 | 1 |
Positive reviews by playtime
🎮 Players who like it have spent 12 h on median; those who dislike it: 4.8 h.
💶 Price history
Steam price tracked automatically since Oct 28, 2026 · All-time low: €10.39 (Oct 28, 2026)
100% completion difficulty ("platinum")
of players have unlocked the rarest achievement — the upper bound of those who "100%'d" it. 31 achievements in total; the median achievement is unlocked by 11,4 % of players.
What creators say (YouTube)
No indexed video for this game yet.
This game on Twitch
Popular clips — nobody live right now
Strengths
- Core deduction mechanisms drive the engagement, securing 132 positive mentions out of 159 total regarding gameplay.
- Visual presentation receives unanimous approval, boasting 10 positive mentions out of 10 for graphics.
- Narrative elements hit the mark with 13 positive mentions out of 16 for story.
- Value proposition is rock solid, with 7 positive mentions out of 7 dedicated to the price.
- Dedicated detective mechanics shine brightly, highlighted by 46 mentions of the word déduction.
Weaknesses
- Interface design frustrates users, drawing 9 negative mentions out of 12 for UI.
- Technical stability falters for some, accumulating 10 negative mentions out of 10 concerning bugs.
- Content depth leaves room for expansion, registering 9 negative mentions out of 33 related to content.
Who is it for?
Strategic puzzle enthusiasts who enjoy untangling complex logic puzzles and roguelike loops will find themselves losing dozens of hours to the deduction mechanics.
Is Dupery: A Game of Solo Deduction worth it in 2026?
Yes, without reservation for most players: 84% of 830 Steam reviews are positive (player score 81/100). Most-praised strength: Core deduction mechanisms drive the engagement, securing. Current price: 12,99€.
Verdict
Despite some early UI hurdles and isolated bug reports, Dupery delivers a deeply rewarding cerebral challenge that gets better the longer you play. The post-launch feedback sits comfortably at 83% positive across 404 reviews, proving its lasting appeal for dedicated strategists.
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