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NAGAISAN
I came to know "her." Since then, I've felt someone's gaze from somewhere. Memories of the place I reached while searching for a lost dog in the past. I'm not sure if it's connected, but I did something. "NAGAISAN" is an adventure game based on urban legends.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.
“I love this game so so so so much!!! It was such a fun and cute story <3 I love my new wife!!!”
— a player, Steam review · 2 hrs played“I like it in here. For the first time in a long time, I feel like I'm... like I'm right where I'm supposed to be.”
— a player, Steam review · 2 hrs played“Very beautiful game, story is amazing and very easy to understand, game mechanics aren't super complicated, scary at times and a lovely romance at other times too. The Big Boobs were the best though. Would recommend.”
— a player, Steam review · 1 hrs playedAchievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
🐄Update！🐄
New scenarios and achievements have been added to the main game. This feature unlocks after your first clear, but you can also set the game to “Cleared” directly from the title screen. [img src="
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-26.
| Genres | Adventure, Casual, Indie, Simulation |
| Player tags | Comedy · Horror · Cute · Psychological Horror · Adventure · Life Sim · First-Person · Exploration · Anime · Atmospheric · Walking Simulator · Relaxing (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Steam Cloud · Remote Play on TV · Remote Play Together · Family Sharing |
| Languages | English, Russian, Simplified Chinese, Japanese |
| Controller | Full support |
| Achievements | 19 |
Minimum system requirements (PC)
Minimum: OS *: Windows XP/Vista/7/8/10/11 Processor: Intel Core i3-4340 Memory: 8 GB RAM Graphics: OpenGL 4.4 Storage: 1 GB available space