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 $165.7K — a different platform, not this one.
Arcanum: Of Steamworks and Magick Obscura
Also onSteam
An Industrial Revolution in a World of Magick Imagine a place of wonder, where magick and technology coexist in an uneasy balance, and an adventurer might just as easily wield a flintlock pistol as a flaming sword. A place where great industrial cities house castle keeps and factories, home to Dwarves, Humans, Orcs and Elves alike. A place of Ancient runes and steamworks, of magick and machines, of sorcery and science. Welcome to the land of Arcanum. Character Design allows you to customize your character any way you choose Whether you choose magick or technology, the Arcanum world adapts and responds to your character's development Classless, point-based attribute system allows for limitless creativity in guiding your character's development 8 basic stats, such as Strength and Charisma More than a dozen derived stats, from Poison Resistance to Character Speed 16 Primary skills, including Gambling and Healing 80 Spells with 16 Colleges of Magick 56 technological degrees within 8 disciplines Extraordinary Adventure Features Explore a world as vast as it is mysterious-it would take over 30 real-time hours to traverse the land of Arcanum Meet more than 300 unique characters and monster types across this huge land Many means exist to solve the myriad quests, from dueling to discourse to thievery Take on a band of ogres in real-time, or plan your strategy through turn-based combat - you decide Accurate day and night cycles affect the gameplay, from combat to thieving skills Automatic character management lets action-oriented players delve into the quest at hand Create your own worlds or play the included multiplayer scenario online cooperatively or competively