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 $26.6K — a different platform, not this one.

Darkstar One

Experience fast-paced action in a vast and authentic universe in DarkStar One, a space action adventure game with spectacular graphic, freedom of choice, and a gripping storyline, as the young hero Kayron Jarvis, a talented escort pilot, discover clues surrounding a secret your murdered father was hiding. An unknown technology hidden within your ship, the DarkStar One, appears to be the key - but then an unforeseen twist dramatically changes the course of events. Delve deep into the galaxy, discovering new races, solar systems, technologies, and ever-stronger opponents as you travel on your epic journey. DarkStar One features an elaborate story, related by more than fifty minutes of video sequences. You can choose and upgrade your spaceship - a fast attack ship with many light weapons or a near-invincible cruiser with heavy weaponry. Maybe you will be the hero who will bring hope to humanity... or destroy it... In all this turmoil, a young escort pilot discovers clues about his father's secret. An unknown technology that is hidden inside the Darkstar One appears to be the key. However, unforeseen incidents change the course of events dramatically... --> Solid mechanics with an intuitive control scheme and spectacular visuals A vast universe swarming with enemies and possibilities A spaceship upgrade system that lets you improve your ship to match your playstyle