NAGAISAN

A first-person horror walking simulator built around an urban legend

LuuuLuuuL · Released Sep 11, 2024

Reviews: Very Positive; 90% of 170
Recent reviews: Mixed; 66% of 27 in 30 days
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 1 year ago; Oct 7, 2025
Minimum PC: OpenGL 4.4; 8 GB RAM · 1 GB disk; Full requirements

What is NAGAISAN?

This single-player adventure follows someone who feels watched after learning about a mysterious woman. You walk through environments in first person, triggering events and examining objects to move the story forward.

For you if...

+you like psychological horror mixed with comedy
+you prefer playing without quest markers or time limits

Not for you if...

−you expect complex mechanics and a long campaign

What players say

90% of 170 reviews are positive · 66% of 27 in the last 30 days

Players praise the art and the way the story comes together near the end. Complaints focus on confusing storytelling and gameplay that some find dull or frustrating.

Screenshots and trailer

NAGAISAN system requirements

Minimum: OpenGL 4.4, 8 GB RAM, 1 GB of disk space.

As published by the developer.

Can my PC run NAGAISAN?

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Minimum

OS: Windows XP/Vista/7/8/10/11
Processor: Intel Core i3-4340
Graphics: OpenGL 4.4
Memory: 8 GB RAM
Storage: 1 GB available space

Does NAGAISAN have co-op or multiplayer?

No: single-player only, no multiplayer modes declared. With Remote Play Together, one copy is enough to play the local modes online with friends.

Does NAGAISAN run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 19
Steam features: Cloud saves, Family Sharing
Languages: Text only: English, Russian, Simplified Chinese, Japanese.

Does NAGAISAN use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam