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HIROYU's Murder Mystery：マーダーミステリー セッションツール

AdventurePCMultiplayer · Co-opPlay Now

About this game

Murder Mystery games created by HIROYU through the two production circles, “TriEmoStab” and “IBAHIRO”, are now available to play on Steam. ※This is a dedicated tool for playing Murder Mystery games online.

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Last checked 4 Nov 2026

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HIROYU's Murder Mystery：マーダーミステリー セッションツール

Murder Mystery games created by HIROYU through the two production circles, “TriEmoStab” and “IBAHIRO”, are now available to play on Steam. ※This is a dedicated tool for playing Murder Mystery games online.

Available on Steam (PC) — Play Now, checked 4 Nov 2026.

Availability historyPast official availability changes
  • Play NowSteam · PC · 18 Oct 2026