No revenue estimate for GOG — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $94.6K — a different platform, not this one.

Somber Echoes

Story Overview A cataclysmic event turned the once beautiful and proud Greco-Roman space vessel Atromitos into breeding grounds for infested horrors from an unknown dimension. In the aftermath, a mysterious force chooses to interfere with destiny and awaken Adrestia from rubble and ashes. As Adrestia, your mission is to stop your twin sister Harmonia from unraveling the universe, but many questions remain unanswered. In the search for answers you explore the vast space vessel while gaining powers, knowledge and skills that might shape your ultimate destiny. Experience a Metroidvania where combat is about mastering acrobatic freedom. Explore an environment that embraces diverse gameplay styles to suit every player. Stunning environments Beautifully crafted distinct districts. Manifest Aether Lanterns Aether Lanterns serve as Adrestia's core traversal ability. Defy gravity by shapeshifting into a brilliant sun-like star, and unleash the energy in any direction you see fit. Additional lanterns allow for chaining up dashes one after the other, even in the air Aether lanterns greatly enhance Adrestia’s combat prowess Master perfect parry to gain advantage in combat Progressive traversal Game Features Story inspired by Greek tragedies and Greek Mythology Unique Greco-Roman science fiction setting Visceral combat and acrobatic player freedom Multiple distinctive districts (biomes) with their own visual identity Multiple endings: how you play determines how you complete the game