Released Aug 31, 2021 $9.99 · −60% Overwhelmingly Positive Counts toward your Steam games

OPUS: Echo of Starsong - Full Bloom Edition

By SIGONO INC.

Visual Novel Emotional Story Rich Female Protagonist Anime Interactive Fiction Indie 2D SpaceSingleplayerExplorationAdventure

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Followers —

Reviews 8,768 Overwhelmingly Positive

Players yesterday 6 at the busiest moment

Owners 200K–500K estimated

OPUS: Echo of Starsong - Full Bloom Edition is a game tagged Visual Novel, Emotional and Story Rich by SIGONO INC., released Aug 31, 2021. It has 8,768 Steam reviews (Overwhelmingly Positive). It has an estimated 200K–500K owners on Steam. The Steam games most like it include OPUS: The Day We Found Earth, OPUS: Rocket of Whispers and An Octave Higher.

Echo of Starsong is a visual novel style adventure game. Eda, a girl who can hear mysterious sound waves known as starsong, crosses paths with a young man in search of their source. Together, they venture out to the heart of space to unravel an ancient myth.

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<a href="https://launchrivals.com/games/1504500-opus-echo-of-starsong-full-bloom-edition"><img src="https://launchrivals.com/games/1504500/badge.png" alt="OPUS: Echo of Starsong - Full Bloom Edition launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/1504500-opus-echo-of-starsong-full-bloom-edition"><img src="https://launchrivals.com/games/1504500/badge.png?theme=light" alt="OPUS: Echo of Starsong - Full Bloom Edition launch date" width="320" height="84"></a>

OPUS: The Day We Found Earth 81% match · Visual Novel, Emotional, Story Rich
OPUS: Rocket of Whispers 78% match · Visual Novel, Emotional, Story Rich
An Octave Higher 74% match · Visual Novel, Story Rich, Female Protagonist
发现姐姐是妹控的我今后该如何是好 73% match · Visual Novel, Emotional, Story Rich
Tears - 9, 10 69% match · Visual Novel, Emotional, Story Rich
Harmony: The Fall of Reverie 69% match · Visual Novel, Emotional, Story Rich
Ame no Marginal -Rain Marginal- 69% match · Visual Novel, Emotional, Story Rich
Destino Indomable 67% match · Visual Novel, Emotional, Story Rich
eden* 67% match · Visual Novel, Emotional, Story Rich
Hate Plus 67% match · Visual Novel, Story Rich, Female Protagonist

Steam data

Everything Steam lists for OPUS: Echo of Starsong - Full Bloom Edition · record updated 4 hours ago

Steam store

Overview

App ID1504500

Release dateAug 31, 2021

Last change number39734719

Last record update4 hours ago

App type: Game
Developer: SIGONO INC.
Publisher: SIGONO INC.
Steam profile: Counts toward game count and achievement totals · checked Nov 1, 2025
Franchise: OPUS
Technologies: Unity detected
Metacritic: 90

Windows macOS

Steam Deck: Verified
Controller: Full support

Single-playerSteam AchievementsFull controller supportSteam Trading CardsRemote Play on phoneRemote Play on tabletFamily Sharing

Patches

Build	Branch	Updated
10870966	public	May 29, 2023

Packages & DLC

ID	Name	Price (US)
1792980	Not on the store yet	—
1856570	Not on the store yet	—
1874890	Not on the store yet	—

Depots

ID	Name	Systems	Size	Download	Manifest
1504502	—	Windows	2.85 GB	1.11 GB	351690566520935878
1504503	—	Windows	2.87 GB	1.12 GB	5701546935937892415
1504504	—	macOS	2.72 GB	1,009.5 MB	8688891686725810821

Branch	Build	Updated	Access
public	10870966	May 29, 2023	Open

Configuration

Install foldersteamapps/common/OPUS Echo of Starsong

Executable	Arguments	Systems	Description
OPUS Echo of Starsong.exe		Windows
OPUS Echo of Starsong.app		macOS

Space per player9.5 MB

Filesup to 100

Save locations1

Root	Path	Pattern	Systems
WinAppDataLocalLow	SIGONO/OPUS_ Echo of Starsong	*	All

Achievements

Achievements4018 hidden

Most unlocked88.7%Chapter 1

Rarest1.9%Just couldn't let it go

Chapter 1 Enter Chapter 1 88.7%
Clan Edict: Fear No Danger Hidden achievement 74.1%
Chapter 2: Part One Enter Chapter 2: Part One 68.4%
Clan Edict: Act Not Through Others Hidden achievement 62.8%
I Keep Remembering Acquire over 20 items 59%
Just Looking Around Visit over 10 different locations 54.9%
First Time To Thousand Peaks Visit over 10 locations in Thousand Peaks 54.1%
Clan Edict: Forget Not the Kindness of Others Hidden achievement 47.4%
A Purposeful Visit Visit over 30 different locaitons 45.3%
Chapter 2: Part Two Enter Chapter 2: Part Two 45.1%
Clan Edict: Covet No Rewards Hidden achievement 44.8%
Chapter 3: Part One Enter Chapter 3: Part One 43.6%
Reliving the Past Acquired over 100 items 43.1%
Traveler of Thousand Peaks Visit over 50 locations in Thousand Peaks 40.5%
Clan Edict: Leave None Behind Hidden achievement 38.4%
Clan Edict: Hold No Grudges Hidden achievement 36.4%
Chapter 4 Enter Chapter 4 35.9%
The Final Chapter Enter Chapter 5 35.4%

All 40 achievements

Sea of Flowers Hidden achievement 35.1%
Chapter 3: Part Two Enter Chapter 3: Part Two 34.2%
Mail has been read Read the message 31.6%
Clan Edict: Point No Fingers Hidden achievement 30.6%
Clan Edict: Hide No Secret Hidden achievement 30.3%
Thought I was dead Hidden achievement 26.1%
Clan Edict: Tell No Lies Hidden achievement 25.1%
Dodge that, Remi! Not getting hit once when landing on Banshee 22.9%
Remi, prepare for landing! Never been hit once by the space debris 19.2%
Fuel Monster Hidden achievement 14.3%
There's always a story to tell if you fail Acquire over 3 Tales of Failure 14.1%
Red Chamber, my precious! Fully deck out Red Chamber 11.8%
Flawless Memory Hidden achievement 9.5%
Wealth Acquire over 20000 credits 7.7%
In a Flash Hidden achievement 7.6%
So Long as You Follow the Lumen Hidden achievement 7%
The Ultimate Guidance Visit all locations 5%
Die! Die! Die! Hidden achievement 3.7%
The Witch Hidden achievement 2.5%
East Ocean Noble Hidden achievement 2.3%
Thousand Peaks is My Home Visit all locations in Thousand Peaks 2.1%
Just couldn't let it go Acquire all items 1.9%