Game
App 4336930
Under the Gray Sky
mokosoft · released Apr 29, 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.
Price
$1.50
US store
Reviews
100%
4 · 4 user reviews
Playing now
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not sampled yet
24h peak
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all-time seen —
Followers
—
Steam community hub
Owners (est.)
~120
60 – 192
YouTube activity
—
videos · 30 d—
creators—
views · 1 yTwitch activity
—
avg viewers · 30 d—
hours watched · 30 d—
streamers · 30 dProduct info
from Steam's PICS · read 4d ago- Change number
- 35,559,376
- Public build
- 22,961,546 · Apr 26, 2026 (6mo ago)
- Operating systems
- windows
- Architecture
- —
- Install size
- 2.0 GB · 1.3 GB download
- Install folder
haiiro- Controller support
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- Metacritic
- —
- Homepage
- —
- Release state
- released
- Community
- hub
Steam Deck
UnknownNo Deck test results published.
Branches · 1
every build Steam serves for this app| Branch | Build | Updated | Description |
|---|---|---|---|
| public | 22,961,546 | Apr 26, 2026 · 6mo ago |
Build history
every build id we have seen on a branch (history starts with our first read)| Build | Branch | Released | First seen |
|---|---|---|---|
| 22,961,546 | public | Apr 26, 2026 08:39 | 4d ago |
Depots · 4
content of the public branchLaunch options · 1
| Executable | OS | Description |
|---|---|---|
haiiro.exe |
all |
Languages · 4
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | ✓ | — | ✓ |
| Russian | ✓ | — | ✓ |
| Japanese | ✓ | — | ✓ |
| Simplified Chinese | ✓ | — | ✓ |
Packages · 1
all packages| Sub | Name | Billing | Price |
|---|---|---|---|
| 1516038 | 灰色の空で大手を振るう | Store or CD key | $1.50 |
Bundles · 1
all bundles| Bundle | Games | Bundle discount | Price |
|---|---|---|---|
| 楽園・死霊・灰色 | 3 | -40% | $6.28 |
Updates · patch notes
Steam announcements tagged as patch notes, linked to the public build they followed
No patch notes seen yet for this game.