The Game Census
OPUS: The Day We Found Earth cover art

OPUS: The Day We Found Earth

SIGONO INC. · 2016-04-22

SteamGOG

AdventureIndie

Modes: Single player · Perspectives: First person, Side view

Releases: Nov 30, 2017 (Nintendo Switch), Apr 22, 2016 (PC (Microsoft Windows)), Oct 22, 2015 (Android), Apr 22, 2016 (Mac), Oct 22, 2015 (iOS)

Dive into the boundless galaxy and embark on an emotional adventure! Help little robot Emeth to fulfill a century-old promise by finding Earth in order to save Mankind—so step into the spaceship, operate a deep space telescope, and find out what’s out there in the unknown.

OPUS: The Day We Found Earth is a 2016 Adventure and Indie game priced at $14.99, with 20,000 to 50,000 owners and a Very Positive review sentiment (87% of 1733 reviews).

2
playing now
87%
positive of 1.7k reviews
Very Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
70/100
IGDB user rating (10 ratings)
2.1h
to beat · completionist 5.5h
platinum
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$14.99
steam price (US)

2 players in-game as of 2026-10-14 21:00 UTC (census sample)

Opus: The Day We Found Earth is an adventure game focused on story and exploration, developed by Taiwanese independent studio SIGONO. It was first released on iOS and Android on October 22, 2015, and received ports for Windows and OS X on April 22, 2016, and for Nintendo Switch on November 30, 2017. The game was nominated for Best Meaningful Play at the 12th International Mobile Gaming Awards on February 16, 2016.

Health check

Quietly active
  • · 2 players in-game at the last census sample.
  • · 91 reviews in the last 8 weeks (~11/week).
  • · Review velocity up 28% vs the prior 8 weeks.
  • · Top 10% of 28,914 Adventure games in the census by review count.

Health tier since 2026-08-31

Estimated sales: 43k–104k copies

Review-multiple estimate from 1,733 total reviews — how this is computed.

Current store prices

GOG$2.25-75%

Deal snapshots via CheapShark, refreshed daily.

All-time low: $2.24 at Steam (2022-06-23) · bundled 6×via IsThereAnyDeal

12-month high $14.99 · on sale 77 of 84 observed days · $0.01 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
212120182026Week of 2018-01-01: 10 positiveWeek of 2018-01-01: 2 negativeWeek of 2018-02-01: 9 positiveWeek of 2018-02-01: 1 negativeWeek of 2018-03-01: 7 positiveWeek of 2018-03-01: 2 negativeWeek of 2018-04-01: 5 positiveWeek of 2018-04-01: 1 negativeWeek of 2018-05-01: 5 positiveWeek of 2018-05-01: 2 negativeWeek of 2018-06-01: 6 positiveWeek of 2018-07-01: 5 positiveWeek of 2018-08-01: 3 positiveWeek of 2018-08-01: 1 negativeWeek of 2018-09-01: 7 positiveWeek of 2018-09-01: 2 negativeWeek of 2018-10-01: 3 positiveWeek of 2018-10-01: 2 negativeWeek of 2018-11-01: 13 positiveWeek of 2018-12-01: 7 positiveWeek of 2018-12-01: 1 negativeWeek of 2019-01-01: 4 positiveWeek of 2019-01-01: 2 negativeWeek of 2019-02-01: 8 positiveWeek of 2019-03-01: 5 positiveWeek of 2019-03-01: 1 negativeWeek of 2019-04-01: 3 positiveWeek of 2019-05-01: 7 positiveWeek of 2019-05-01: 1 negativeWeek of 2019-06-01: 19 positiveWeek of 2019-06-01: 3 negativeWeek of 2019-07-01: 11 positiveWeek of 2019-07-01: 2 negativeWeek of 2019-08-01: 3 positiveWeek of 2019-09-01: 2 positiveWeek of 2019-10-01: 2 positiveWeek of 2019-11-01: 4 positiveWeek of 2019-12-01: 4 positiveWeek of 2019-12-01: 1 negativeWeek of 2020-01-01: 3 positiveWeek of 2020-01-01: 2 negativeWeek of 2020-02-01: 5 positiveWeek of 2020-03-01: 5 positiveWeek of 2020-04-01: 8 positiveWeek of 2020-05-01: 2 positiveWeek of 2020-06-01: 5 positiveWeek of 2020-06-01: 1 negativeWeek of 2020-07-01: 5 positiveWeek of 2020-07-01: 4 negativeWeek of 2020-08-01: 10 positiveWeek of 2020-08-01: 4 negativeWeek of 2020-09-01: 1 positiveWeek of 2020-10-01: 1 positiveWeek of 2020-10-01: 1 negativeWeek of 2020-11-01: 3 positiveWeek of 2020-12-01: 4 positiveWeek of 2020-12-01: 3 negativeWeek of 2021-01-01: 9 positiveWeek of 2021-01-01: 3 negativeWeek of 2021-02-01: 3 positiveWeek of 2021-02-01: 1 negativeWeek of 2021-03-01: 4 positiveWeek of 2021-04-01: 1 positiveWeek of 2021-05-01: 2 positiveWeek of 2021-06-01: 12 positiveWeek of 2021-07-01: 14 positiveWeek of 2021-07-01: 1 negativeWeek of 2021-08-01: 10 positiveWeek of 2021-09-01: 16 positiveWeek of 2021-10-01: 9 positiveWeek of 2021-10-01: 1 negativeWeek of 2021-11-01: 21 positiveWeek of 2021-11-01: 7 negativeWeek of 2021-12-01: 20 positiveWeek of 2021-12-01: 3 negativeWeek of 2022-01-01: 18 positiveWeek of 2022-01-01: 4 negativeWeek of 2022-02-01: 20 positiveWeek of 2022-02-01: 2 negativeWeek of 2022-03-01: 7 positiveWeek of 2022-03-01: 1 negativeWeek of 2022-04-01: 11 positiveWeek of 2022-05-01: 19 positiveWeek of 2022-05-01: 2 negativeWeek of 2022-06-01: 15 positiveWeek of 2022-07-01: 15 positiveWeek of 2022-08-01: 19 positiveWeek of 2022-08-01: 4 negativeWeek of 2022-09-01: 17 positiveWeek of 2022-09-01: 1 negativeWeek of 2022-10-01: 16 positiveWeek of 2022-10-01: 2 negativeWeek of 2022-11-01: 11 positiveWeek of 2022-11-01: 2 negativeWeek of 2022-12-01: 20 positiveWeek of 2022-12-01: 3 negativeWeek of 2023-01-01: 19 positiveWeek of 2023-01-01: 2 negativeWeek of 2023-02-01: 14 positiveWeek of 2023-02-01: 3 negativeWeek of 2023-03-01: 11 positiveWeek of 2023-03-01: 1 negativeWeek of 2023-04-01: 9 positiveWeek of 2023-04-01: 1 negativeWeek of 2023-05-01: 4 positiveWeek of 2023-06-01: 15 positiveWeek of 2023-06-01: 2 negativeWeek of 2023-07-01: 16 positiveWeek of 2023-07-01: 4 negativeWeek of 2023-08-01: 3 positiveWeek of 2023-08-01: 2 negativeWeek of 2023-09-01: 7 positiveWeek of 2023-10-01: 7 positiveWeek of 2023-11-01: 8 positiveWeek of 2023-11-01: 1 negativeWeek of 2023-12-01: 6 positiveWeek of 2023-12-01: 1 negativeWeek of 2024-01-01: 4 positiveWeek of 2024-01-01: 2 negativeWeek of 2024-02-01: 7 positiveWeek of 2024-03-01: 9 positiveWeek of 2024-03-01: 1 negativeWeek of 2024-04-01: 5 positiveWeek of 2024-05-01: 7 positiveWeek of 2024-06-01: 6 positiveWeek of 2024-06-01: 1 negativeWeek of 2024-07-01: 10 positiveWeek of 2024-08-01: 8 positiveWeek of 2024-08-01: 2 negativeWeek of 2024-09-01: 4 positiveWeek of 2024-10-01: 1 positiveWeek of 2024-11-01: 12 positiveWeek of 2024-12-01: 5 positiveWeek of 2024-12-01: 1 negativeWeek of 2025-01-01: 12 positiveWeek of 2025-02-01: 5 positiveWeek of 2025-02-01: 2 negativeWeek of 2025-03-01: 5 positiveWeek of 2025-03-01: 2 negativeWeek of 2025-04-01: 5 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-05-01: 13 positiveWeek of 2025-05-01: 1 negativeWeek of 2025-06-01: 7 positiveWeek of 2025-06-01: 2 negativeWeek of 2025-07-01: 10 positiveWeek of 2025-08-01: 6 positiveWeek of 2025-09-01: 6 positiveWeek of 2025-10-01: 10 positiveWeek of 2025-11-01: 9 positiveWeek of 2025-11-01: 1 negativeWeek of 2025-12-01: 7 positiveWeek of 2025-12-01: 1 negativeWeek of 2026-01-01: 10 positiveWeek of 2026-02-01: 8 positiveWeek of 2026-02-01: 2 negativeWeek of 2026-03-01: 7 positiveWeek of 2026-04-01: 11 positiveWeek of 2026-04-01: 2 negativeWeek of 2026-05-01: 14 positiveWeek of 2026-05-01: 5 negativeWeek of 2026-06-01: 6 positiveWeek of 2026-07-01: 15 positiveWeek of 2026-07-01: 3 negativeWeek of 2026-08-01: 19 positiveWeek of 2026-08-01: 3 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

802026-09-15 06:00 — 0 players2026-09-16 14:00 — 0 players2026-09-17 22:00 — 0 players2026-09-19 05:00 — 0 players2026-09-20 13:00 — 1 players2026-09-21 21:00 — 0 players2026-09-23 04:00 — 1 players2026-09-24 12:00 — 0 players2026-09-25 19:00 — 1 players2026-09-27 03:00 — 1 players2026-09-28 10:00 — 0 players2026-09-29 18:00 — 0 players2026-10-01 01:00 — 0 players2026-10-02 09:00 — 2 players2026-10-03 16:00 — 1 players2026-10-05 00:00 — 0 players2026-10-06 08:00 — 7 players2026-10-07 15:00 — 0 players2026-10-08 23:00 — 0 players2026-10-10 06:00 — 4 players2026-10-11 14:00 — 5 players2026-10-12 22:00 — 0 players2026-10-14 05:00 — 0 players2026-10-14 21:00 — 2 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$14.99$2.242016-04-222026-10-152016-04-22 — best price $7.192017-06-22 — best price $3.592019-01-03 — best price $8.992019-07-09 — best price $8.992020-04-08 — best price $8.992020-08-24 — best price $8.992021-11-01 — best price $8.992022-02-14 — best price $3.142022-06-28 — best price $8.992022-10-14 — best price $2.242022-12-05 — best price $2.242023-02-06 — best price $8.992023-04-11 — best price $7.492023-07-13 — best price $14.992023-09-26 — best price $8.992024-01-04 — best price $14.992024-02-15 — best price $14.992024-04-01 — best price $14.992024-05-29 — best price $8.992024-08-01 — best price $14.992024-11-05 — best price $7.492025-01-03 — best price $8.992025-04-03 — best price $8.992025-09-21 — best price $7.492025-10-20 — best price $4.492026-01-08 — best price $4.492026-03-05 — best price $4.492026-05-12 — best price $8.992026-07-30 — best price $3.742026-09-02 — best price $2.252026-09-10 — best price $2.252026-09-18 — best price $2.252026-09-26 — best price $2.252026-10-04 — best price $2.252026-10-12 — best price $2.252026-10-15 — best price $2.25
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

3442026-06-01 — 25 pageviews2026-06-05 — 12 pageviews2026-06-09 — 16 pageviews2026-06-13 — 27 pageviews2026-06-17 — 10 pageviews2026-06-21 — 13 pageviews2026-06-25 — 26 pageviews2026-06-29 — 27 pageviews2026-07-03 — 28 pageviews2026-07-07 — 28 pageviews2026-07-11 — 14 pageviews2026-07-15 — 12 pageviews2026-07-19 — 14 pageviews2026-07-23 — 13 pageviews2026-07-27 — 11 pageviews2026-07-31 — 20 pageviews2026-08-04 — 12 pageviews2026-08-08 — 16 pageviews2026-08-12 — 34 pageviews2026-08-16 — 17 pageviews2026-08-20 — 17 pageviews2026-08-24 — 14 pageviews2026-08-28 — 19 pageviews2026-09-01 — 15 pageviews2026-09-05 — 9 pageviews2026-09-09 — 16 pageviews2026-09-13 — 11 pageviews2026-09-17 — 4 pageviews2026-09-21 — 7 pageviews2026-09-25 — 6 pageviews2026-09-29 — 11 pageviews2026-10-03 — 7 pageviews2026-10-07 — 13 pageviews2026-10-10 — 21 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Completion

31
achievements tracked
73.5%
earned "Read A Sentence"
52.9%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSSingle-playerSteam AchievementsSteam Trading CardsPartial Controller SupportSteam LeaderboardsFamily Sharing1 DLC

5 supported languages: English, Japanese, Simplified Chinese, Traditional Chinese, Korean

Post-launch support: 1 DLC released, first 2016-04-22 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)1,63220%31
Switch (Nintendo)260%0

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Player tags

2DIndieSpacePuzzleColorfulAdventureNarrationStory RichAtmosphericExploration

Census log

Computed from census-recorded observations only — dates are observation dates.

Players also track

Star Control®: OriginsPLANET ALPHAThe Last JourneyElizaRebel Galaxy OutlawApsulov: End of GodsTorchlight III

Similarity via IGDB.

Official site ↗Wikipedia ↗