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 $311.5K — a different platform, not this one.

Mini Settlers

Mini Settlers is a minimalistic city builder! Settle islands, construct cities, and design efficient logistic networks to fulfill your buildings' needs and fuel population growth to adventure into new worlds.    Build your buildings and factories to harvest resources and create new ones to expand your cities and industries.    Build a well-connected network of roads, trains & ports between your Factories and Cities to transport and fulfill any need they may have, but be careful not to overload your supply chain.    Settle abandoned islands by building your settlement and growing your population by fulfilling all their needs.   Features: Establish an intricate and wide logistical network  Settle abandoned islands  Build large cities, and increase your population  Balance your supply chains  Compete with other players globally