Obsidian Moon Demo

58KS
Released Jan 12, 2026by Lost Cabinet Games4 user reviews(75% of 4 Steam reviews)

Play a complete noir murder investigation in Obsidian Moon Demo. Follow leads, interrogate suspects, and connect clues in a case shaped entirely by your choices. No hand-holding, no single truth—only the conclusions you’re willing to live with.

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About Obsidian Moon Demo

Play a complete murder investigation—free.

In this demo, you take on the first case in Obsidian Moon, navigating a dense web of leads, choices, and consequences. Interrogate witnesses, dig through records, conduct forensic work, or take riskier shortcuts—the case adapts to how you investigate, offering 30+ investigative paths depending on your approach.

This is not a vertical slice but a real case, that demonstrates how much freedom the game gives you.

There is no fixed order, no highlighted solution, and no guaranteed truth. Information is fragmented, unreliable, and often contradictory. The solution of the case emerges through the connections you choose to make—and the conclusions you decide to trust.

You are encouraged to experiment, make mistakes, and live with the consequences, even when they cost.

KEY DEMO FEATURES

  • A full introductory murder case, playable from start to finish

  • 30+ investigative paths and outcomes, shaped by your methods

  • 20–45+ minutes of gameplay, depending on player approach

  • A first glimpse into Obsidian’s dark past and unsettling atmosphere

  • The near-complete gameplay feature set, including atmospheric Noir Mode

Download the demo and solve the first case.
Wishlist the full game to continue the investigation.

Game details

Obsidian Moon Demo reviews

75% positive reviews all-time.

System requirements

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS *: Windows 7 SP1+, Windows 10, or later
  • Processor: Intel Core i3 (2nd Gen or later) or AMD equivalent
  • Memory: 4 GB RAM
  • Graphics: Integrated GPU (Intel HD Graphics 4000+), or any discrete GPU from ~2013 onward
  • DirectX: Version 10
  • Storage: 1 GB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 64-bit
  • Processor: Intel Core i5-6500 / AMD Ryzen 3 1200 or newer
  • Memory: 8 GB RAM
  • Graphics: NVIDIA GTX 750 Ti / AMD R7 370 or better
  • DirectX: Version 11
  • Storage: 1 GB available space