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Ten Days Nightmare
Ten Days Nightmare is a first‑person psychological horror game. Trapped in a closed space within a 10‑day loop, you hunt for random eerie anomalies, choose to shoot or sleep, distinguish dreams from reality, and uncover the truth behind the cycle.

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Features
Single-player
Family Sharing
Steam is learning about this game 
Languages:
Interface Full Audio Subtitles
English ✔ ✔
Japanese ✔ ✔
Simplified Chinese ✔ ✔

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$1.99
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About This Game

Ten Days Nightmare

A first‑person psychological horror game. Trapped in a closed space within a 10‑day loop, find environmental anomalies and distinguish dreams from reality.

Discover random creepy anomalies each day. Choose to shoot to end the dream or sleep to proceed. Correct choices advance days; wrong ones reset to Day 1. 13 anomalies appear randomly.

Features

  • Immersive first‑person horror atmosphere

  • Random anomalies for unique gameplay

  • Choice‑driven psychological tension

  • 10‑day loop leading to the final truth

Languages: Simplified Chinese / English / Japanese

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

Partial UI assets are generated by AI. Core game art, plot and models are manually created or use CC‑BY 4.0 open‑source licensed materials.

System Requirements

    Minimum:
    • OS: Windows 10 64-bit
    • Processor: Intel Core i3-4160
    • Memory: 4 GB RAM
    • Graphics: NVIDIA GTX 550 Ti / equivalent
    • DirectX: Version 11
    • Storage: 2 GB available space
    • Sound Card: Any compatible sound card
    Recommended:
    • OS: Windows 10/11 64-bit
    • Processor: Intel Core i5-6500
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GTX 1050 Ti
    • DirectX: Version 11
    • Storage: 2 GB available space
    • Sound Card: Any compatible sound card
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