The Underlayer
A comedic roguelike shooter in which a routine trip to the bathroom opens a portal to a crazy Underside. Explore mysterious dimensions, fight absurd monsters, unlock powerful weapons and help Petka escape from a world where logic has ceased to exist.
Last Updated: 9/3/2026
| Steam App Id | 5049160 |
The Underlayer
A comedic roguelike shooter in which a routine trip to the bathroom opens a portal to a crazy Underside. Explore mysterious dimensions, fight absurd monsters, unlock powerful weapons and help Petka escape from a world where logic has ceased to exist.
Last Updated: 9/3/2026
- Windows
- Mac
- Linux
About The Underlayer
The Underlayer is an Action, and Adventure game. It was released on the Steam Store.
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 Underlayer supports the following features:
- Single-player
Media & Sceenshots
Watch the featured video for The Underlayer 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 Underlayer data has been sourced from:
- Valve Corporation. (2026, September 3). The Underlayer on Steam. Steam Store.
- Valve Corporation. (2026, September 3). The Underlayer. Steam Community Hub.