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Deduce Together
Players throw questions at an AI and deduce the correct answers in this competitive multiplayer game. Compete based on your accuracy rate. Have fun with friends while testing your deductive skills and aim to become the ultimate knowledge champion!
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-04 · quoted reviews as of 2026-05-14.
“Deduce Together is a refreshingly simple yet intellectually engaging multiplayer game centered on deduction and logic. At its heart, the game invites players to guess a hidden word or concept by asking a series of yes-or-no questions. What sets it apart is the shared goal: all…”
— a player, Steam review · 24 hrs played“おもろい”
— a player, Steam review · 63 hrs played“it's a game about asking an AI 20 questions as quick as you can. It's more built towards multiplayer, and when you get the answer right the answer automates to japanese. interesting concept, but i can't recommend right now. hopefully it improves and updates.”
— a player, Steam review · 0 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-07 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-08-13. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Fixed AI Prompt for Custom Questions with ThemeDetail
Fixed an issue where the AI could reveal hints when asking questions in game, even if the custom question's theme details contained instructions telling it not to give hints while Hints were enabled i
Deduction AI Update: Deeper and Smarter Reasoning
Deduction AI Reasoning Update This update improves the reasoning capabilities of the AI model used in the game. The AI can now consider conversational context and surrounding circumstances more effect
Updates to Deduce Together (New Features & Fixes)
Updated the prompts for some questions. Updated the prompts used during room play. Added a new AI option: Grok .
Challenge Mode: Shinrabansho MAX Starts on December 27!
This event is available only in the Japanese version of the game.
Challenge Mode (Single-Player) Season 3 Starts!
Challenge Mode (Single-Player) Season 3 Starts! Season 3 of our advanced Challenge Mode—where you aim to clear 50 puzzles in a row with a limited number of questions —kicks off November 1 at 12:00 AM
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-14.
| Genres | Casual |
| Player tags | Casual · Hidden Object · 2D · Artificial Intelligence · Education · Word Game · Early Access · Board Game · Text-Based · Mystery · Family Friendly · Funny (SteamSpy community voting) |
| Features | Single-player · Multi-player · PvP · Online PvP · Co-op · Online Co-op · Family Sharing |
| Languages | Japanese, English |
| Achievements | 14 |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS: Windows 10 (64-bit) Processor: Intel Core i5-8500 Memory: 4 GB RAM Graphics: NVIDIA GeForce GTX1060 6GB Network: Broadband Internet connection Storage: 2 GB available space Additional Notes: Try setting chrome as default browser if the game isn't launching