The Hollow Line
Can you escape the tunnels? An AI-powered buddy is following you as you discover the seemingly never-ending network of tunnels. Get ready for a personalized and unique experience at The Hollow Line.
Last Updated: 4/15/2025
Developer | Luna Niermann |
Publisher | Not Final Games |
Steam App Id | 3569450 |
About The Hollow Line
The Hollow Line is an Indie, Action, and Adventure game developed by Luna Niermann. It was released on the Steam Store by Not Final Games.
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, The Hollow Line supports the following features:
- Steam Cloud
- Steam Achievements
- Family Sharing
- Full controller support
- Single-player
Media & Sceenshots
Watch the featured video for The Hollow Line and see the latest screenshots from the Steam Store.

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Features & Categories
Frequently Asked Questions
Soures & References
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The Hollow Line data has been sourced from:
- Valve Corporation. (2025, April 15). The Hollow Line on Steam. Steam Store.
- Valve Corporation. (2025, April 15). The Hollow Line. Steam Community Hub.
- Luna Niermann. (2025, March 11). The Hollow Line. The Hollow Line.