Screenshots
Watch trailer on Steam ↗Under the Gray Sky
mokosoft · Published by mokosoft
Content notice: Combat without gore or blood; weapon display; bones/skeletons; derogatory language; anguish Extremely violent or containing gore (e.g., dismemberment, torture, detailed depictions of death)
3 user reviews — 100% positive (3 reviews)
Last updated 28 Sept 2026
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.
£0.89
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Price history
Adventure, Indie · 2026 · More under £5 games
Discover a young man's perilous adventure in Under the Gray Sky, an indie visual novel from mokosoft released in 2026. Navigate through a complex, pipe-filled city and make decisions that alter your path with each choice.
About this game
The year 23XX. Remembering what month and day it is today holds little meaning.
The sun vanished due to a runaway AI, plunging this world into darkness and extreme cold.
In this ruined world, a young man who had lost the meaning of life wandered into an unknown underground city.
There, he found a bizarre city built from countless tangled pipes, and a vampire girl living in solitude.
His encounter with the girl and his days in the city began to breathe life back into the young man's hollow heart.
But soon he learns—the inescapable secret and fate that binds the vampires sealed within this underground city.
◆Game Introduction◆
・This is a visual novel game featuring branching choices.
・Estimated playtime is approximately 2 hours.
System Requirements
Will my PC run this? →Minimum
- OS *: Microsoft® Windows® 10 / Windows 8.1
- Processor: Intel® Pentium®4 1.4GHz
- Memory: 3 GB RAM
Recommended
- OS *: Microsoft® Windows® 10 / Windows 8.1
- Processor: Intel® Pentium®4 1.4GHz
- Memory: 3 GB RAM
