Under the Gray Sky
In a world that has perished, a young man finds himself lost in an unknown underground city. There, spread out before him, was a strange city built from countless intertwined pipes, and a vampire girl living in solitude. ・This is a visual novel game featuring branching choices.
Last Updated: 5/13/2026
Under the Gray Sky
In a world that has perished, a young man finds himself lost in an unknown underground city. There, spread out before him, was a strange city built from countless intertwined pipes, and a vampire girl living in solitude. ・This is a visual novel game featuring branching choices.
Last Updated: 5/13/2026
- Windows
- Mac
- Linux
About Under the Gray Sky
Under the Gray Sky is an Adventure, and Indie game developed by mokosoft. On 4/29/2026, it was released on the Steam Store by mokosoft.
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, Under the Gray Sky supports the following features:
- Single-player
- Family Sharing
From the Steam community, Under the Gray Sky has been tagged with the following user tags:
- Violent
- Atmospheric
- Dark
- Story Rich
- Visual Novel
- Choices Matter
- 2D Platformer
- Cute
- Choose Your Own Adventure
- Sci-fi
- Post-apocalyptic
- Indie
- Anime
- Adventure
- Singleplayer
- Steampunk
Media & Sceenshots
Watch the featured video for Under the Gray Sky and see the latest screenshots from the Steam Store.
Related Packages
Under the Gray Sky is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| 灰色の空で大手を振るう | $0.80 | View |
Supported Languages and Localizations
Under the Gray Sky is available in 4 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| Russian | Yes | No | Yes |
| Chinese (Simplified) | Yes | No | Yes |
| Japanese | Yes | No | Yes |
Discover Similar Games
Find a new game to play just like Under the Gray Sky through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to Under the Gray Sky.
Features & Categories
Frequently Asked Questions
Soures & References
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Under the Gray Sky data has been sourced from:
- Valve Corporation. (2026, May 13). Under the Gray Sky on Steam. Steam Store.
- Valve Corporation. (2026, May 13). Under the Gray Sky. Steam Community Hub.