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Demo Free to play App 3965690 Game: Apollo Sonata

Apollo Sonata Demo

PlasmaFall · published by Eternal Dream · released Oct 4, 2025

Apollo Sonata is a 2D story-driven exploration ADV.This demo offers about 30 minutes of gameplay, covering around 70% of the first playthrough.Explore the nighttime campus as Miu and uncover its hidden mysteries.

Data updated 10h ago
Price
Free
US store
Reviews
95%
70 · Very Positive
Playing now
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not sampled yet
24h peak
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all-time seen —
Followers
—
Steam community hub
Owners (est.)
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from review count
Revenue (est.)
—
gross, lifetime · how
YouTube activity
0
videos · 30 d
1
creators
241
views · 1 y
Twitch activity
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avg viewers · 30 d
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hours watched · 30 d
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streamers · 30 d

Product info

from Steam's PICS · read 4d ago
Change number
39,323,160
Public build
20,447,704 · Oct 18, 2025 (1y ago)
Operating systems
windows
Architecture
—
Install size
5.0 GB · 4.0 GB download
Install folder
阿波罗奏鸣曲 - Apollo Sonata Demo
Controller support
Full
Metacritic
—
Homepage
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Release state
released
Community
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Steam Deck

Unknown

No Deck test results published.

Branches · 1

every build Steam serves for this app
BranchBuildUpdatedDescription
public 20,447,704Oct 18, 2025 · 1y ago

Build history

every build id we have seen on a branch (history starts with our first read)
BuildBranchReleasedFirst seen
20,447,704public Oct 18, 2025 13:294d ago

Depots · 4

content of the public branch
DepotNameOSLanguageDLC / sharedSizeDownloadManifest
3965691 windows schinese 1.2 GB986 MB 6419401870481837772
3965692 windows english 1.3 GB986 MB 317193665698594492
3965693 windows tchinese 1.2 GB995 MB 3244735148150971502
3965694 windows japanese 1.2 GB993 MB 4196184464910176809

Launch options · 1

ExecutableOSDescription
ff717d62-c0d9-44e9-bfab-59b2cf156289.exe windows

Languages · 4

LanguageInterfaceFull audioSubtitles
English ✓—✓
Japanese ✓—✓
Simplified Chinese ✓—✓
Traditional Chinese ✓—✓

Packages · 0

all packages
No packages recorded yet.

Bundles · 0

all bundles
Not part of any bundle we know.

Updates · patch notes

Steam announcements tagged as patch notes, linked to the public build they followed
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No patch notes seen yet for this game.