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 $2.9M — a different platform, not this one.
Edge Of Eternity
In a world torn asunder, the people of Heryon wage a desperate war against a mysterious invader, the Archelites. As this conflict against magic and technology grows to cataclysmic proportions, a new threat emerges from the battlefield. The Corrosion: the Archelites’ most cruel weapon, a terrible sickness that poisons the body, twists the limbs and warps people into horrible, misshapen abominations. A forlorn soldier in this godforsaken war, Daryon is ready to make the ultimate sacrifice for his country... until the day he receives a letter from his sister. Their mother has contracted the fateful disease, and they need him to find a cure. On that day, Daryon will have to make a choice that will change his life – and the fate of his world – forever. An enthralling JRPG adventure where your choices matter: Discover a grand tale of hope and sacrifice, filled with plot twists and heart-wrenching moments. Solve quests in multiple ways, make your own choices and face their consequences. A gorgeous world to discover: Journey through the world of Heryon’s unique and ethereal environments, and unearth its most ancient secrets. A stunning soundtrack from the composer of Chrono Trigger & Xenoblade Chronicles: Heryon is brought to life by a sublime soundtrack from industry legend and composer of Chrono Trigger & Xenoblade Chronicles, Yasunori Mitsuda A Deep & Strategic Combat System: Outwit your enemies in epic turn-based tactical combat: use the environment to lure them into devious traps, outsmart and outflank them to inflict massive damage! Craft your gear and enhance it with powerful crystals to unlock unique combinations of skills and power-ups. A Cast of Charismatic Characters: Meet a cast of larger-than-life companions, each with their own unique personalities and attributes. Watch them grow and evolve throughout the story, as you live through it yourself. Discover their dreams, flaws, hopes, and torments as you experience and share many special moments together.