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孤島の国士 Kokushi : Lost Island
Kokushi : Lost Island is a combat-free, quest-log-free exploration adventure. Wander a living island alone and search for 14 scattered mah-jong tiles to forge the legendary Kokushi Musou hand before nightfall. No mah-jong knowledge required.
Release Date:
2025
Developer:
Publisher:
goromatsu
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Features
Single-player
Family Sharing
Steam is learning about this game 
Languages:
Interface Full Audio Subtitles
English ✔ ✔
Simplified Chinese ✔ ✔
Japanese ✔ ✔
This game is not yet available on Steam

Planned Release Date: 2025

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About This Game

Kokushi: lost island is a pure-exploration adventure with no combat and no quest log. You wander a living island alone, where time never stops, searching for fourteen mah-jong tiles to complete the legendary Kokushi Musou hand.
➤ Each play session takes around 10 to 20 minutes.

■ Guide UI — Always Know What to Collect
The on-screen Musou Gauge highlights every missing tile, so you can focus on exploration. Even players who know nothing about mah-jong can enjoy the hunt.

■ Beware the Sunset
Exploration isn’t unlimited. Time advances in real-time, and the island is swallowed by darkness when the sun goes down. Gather all fourteen tiles before night falls.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 64-bit
    • Processor: Intel i5-6600K 3.5 GHz / AMD Ryzen 5 1600
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GTX 970 (4 GB VRAM) / AMD RX 480
    • DirectX: Version 12
    • Storage: 4 GB available space
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10/11 64-bit
    • Processor: Intel i7-9700K / AMD Ryzen 7 3700X
    • Memory: 16 GB RAM
    • Graphics: NVIDIA RTX 2060 SUPER (8 GB VRAM) / AMD RX 5700 XT
    • DirectX: Version 12
    • Storage: 4 GB available space
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