海子 UMIKO
"海子 UMIKO" is a psychological horror visual novel. Engage in conversations with Umiko, complete various mini-games, solve puzzles, and gradually piece together the dark truths she tries to hide about herself and her dimension from fragmented narratives. Preserve your fragile friendship for a week!
Last Updated: 4/3/2026
| Release Date | 9/24/2025 |
| Developer | 盾构机 Tunnel Boring Machine |
| Publisher | 盾构机 Tunnel Boring Machine |
| Steam App Id | 3350160 |
海子 UMIKO
"海子 UMIKO" is a psychological horror visual novel. Engage in conversations with Umiko, complete various mini-games, solve puzzles, and gradually piece together the dark truths she tries to hide about herself and her dimension from fragmented narratives. Preserve your fragile friendship for a week!
Last Updated: 4/3/2026
- Windows
- Mac
- Linux
About 海子 UMIKO
海子 UMIKO is a RPG, and Free to Play game developed by 盾构机 Tunnel Boring Machine. On 9/24/2025, it was released on the Steam Store by 盾构机 Tunnel Boring Machine.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, 海子 UMIKO supports the following features:
- Single-player
From the Steam community, 海子 UMIKO has been tagged with the following user tags:
- Word Game
- Interactive Fiction
- Multiple Endings
- Story Rich
- Surreal
- Visual Novel
- Puzzle
- RPG
- Dark Humor
- Choices Matter
- Psychological Horror
- Underwater
- Conversation
- Cute
- Horror
- Top-Down
- Post-apocalyptic
- Female Protagonist
- 2D
- Exploration
Media & Sceenshots
Watch the featured video for 海子 UMIKO and see the latest screenshots from the Steam Store.
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Genres
Features & Categories
Frequently Asked Questions
Soures & References
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海子 UMIKO data has been sourced from:
- Valve Corporation. (2026, April 3). 海子 UMIKO on Steam. Steam Store.
- Valve Corporation. (2026, April 3). 海子 UMIKO. Steam Community Hub.