OPUS: The Day We Found Earth Achievements Here is the full list of all 31 OPUS: The Day We Found Earth achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc Flag Filter All None 31 Offline Mode 31 Single Player 5 Main Storyline 4 Collectable 25 Cumulative + Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply Novice ScannerScan 5 stars Intermediate ScannerScan 20 stars Pro ScannerScan 100 stars Super Star ScannerScan 500 stars Hyper Star ScannerScan 1000 stars Sun ExplorerComplete all Zone1 main missions Nebula ExplorerComplete all Zone2 main missions Galaxy ExplorerComplete all Zone3 main missions Blackhole ExplorerComplete all Zone4 main missions Founder of EarthComplete all Zone5 main missions Read A SentenceInspect 1 item in the spaceship Read A PageInspect 5 items in the spaceship Read A BookInspect 10 items in the spaceship World of OPUSInspect 20 items in the spaceship ExplorerComplete 1 sub mission Intermediate ExplorerComplete 3 sub missions Pro ExplorerComplete 6 sub missions CompletionistComplete All sub missions Better Luck Next TimeScan 2 stars with no planets in a row Just Not My DayScan 5 stars with no planets in a row Maybe not this oneScan 2 stars with non-exoplanets in a row So close, yet so farScan 5 stars with non-exoplanets in a row From now on, you will be named...Name an exo-planet or object BINGO was his name-oName 3 exo-planet or object Following her footstepsScan 1 Lisa-found exoplanet Getting to Know Her MoreScan 5 Lisa-found exoplanet Lisa's JourneyScan 10 Lisa-found exoplanet A planet in LISA Solar SystemScan 1 planet in the LISA Solar System Five planets foundScan 5 planets in the LISA Solar System The LISA Solar SystemScan 10 planets in the LISA Solar System The lonely starScan a star in Dark Section [三]