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Rotten Chamber

近日発売

Onement Games掲載日 Sep 21, 2026

About the game

正体隠匿ゲームに見せかけた、シングルプレイヤー向けの論理パズル。腐敗した市議会の主張を読み、嘘つきを見破って逮捕しよう。ただし、判断を一つ誤るたびに、すべてを失う結末へと近づいていく。

Steamの原文説明
EVERY SEAT HIDES SOMETHING

You sit across from a city council full of officials who all have something to say. Some are telling the truth. Some are not. Your job: figure out who is lying, build your case and arrest every corrupt official before your mistakes cost you everything.

Three wrong arrests and the case is over. Arrest the Mayor by mistake and it is over instantly. There is no guessing and no luck, every answer is solvable through logic alone.

DECEPTION RUNS DEEPER THAN YOU THINK

Corrupt officials do not just lie. They disguise themselves behind fake roles. Some force honest people to say dishonest things. Others silence key witnesses or quietly convert your allies. One of them poisons the Mayor's own ability to help you.

Every statement on the table is a clue, but it is up to you to decide whether that clue is truthful, distorted or deliberately planted. 15 unique roles - 10 clean, 5 corrupt - each shape the information landscape in different ways.

Your investigation toolkit


  • Passive role statements give you information about the table - distances to corrupt seats, adjacency patterns, alignment pairs and more.
  • Active abilities let you test your theories directly: verify whether someone is lying, count corrupt officials in a group or check if two seats share an alignment.
  • Hired Professionals are consumable tools earned during your campaign - reveal a card's true alignment, expose their lie status or give a role a second use of their ability.
  • Card annotations help you organize your thinking. Stamp suspects, mark the innocent and color-code cards to track your deductions.

45 levels across 3 acts


The campaign introduces mechanics one layer at a time. Act I starts you with five officials and a single Crook. By Act III, you are sorting through fifteen officials with Blackmailers forcing innocents to lie, Silencers shutting down key witnesses, Converters turning allies corrupt and Manipulators undermining the Mayor.

Each act escalates the difficulty: Easy, Normal, Hard. New corrupt roles appear gradually. Tables grow larger. The margin for error shrinks.

Play your way


  • Custom Game - set table size (5-15 seats), corrupt count, difficulty, role pool and starting professionals. Build the exact puzzle you want.
  • Shareable seeds and level codes - every game is deterministic. Share a code and someone else gets the exact same puzzle.
  • Mid-level save/load and run history to support longer sessions.
  • Full tutorial that teaches the core loop before the campaign begins.

BUILT FOR PLAYERS WHO THINK BEFORE THEY ACT

No time pressure. No combat. No randomized luck. Just you, a table full of claims and one question: who do you trust enough to leave standing?

体験版と発売について

現在の確認データでは体験版の存在を確認できていません。過去にも体験版がなかったという意味ではありません。最新の提供状況はSteamのゲームページで確認してください。

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情報・画像:Steam · 最終確認 UTC