Apps by SIGONO INC.
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OPUS: Rocket of Whispers
Games
4.75
(23,826 worldwide)
Free
IAP
Released Sep 2017
· updated Dec 2021
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OPUS: The Day We Found Earth
Games
4.74
(9,819 worldwide)
Free
IAP
Released Oct 2015
· updated Jul 2021
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Rocket of Whispers: Prologue
Games
4.72
(4,120 worldwide)
Free
IAP?
Released Sep 2018
· updated May 2019
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OPUS: Echo of Starsong
Games
4.91
(101 worldwide)
$8.99
IAP?
Released Nov 2022
· updated Jan 2023
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OPUS: Echo of Starsong™
Games
$24.99
IAP?
Released Mar 2023
· updated Mar 2023