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 $55.1K — a different platform, not this one.

Traffic Giant

If you want to collect all Giant titles, check the amazing Giant Bundle Traffic Giant is an amazing simulation game that brings public transport on the right track. You control an entire fleet of buses, trams, underground trains, and many more. You experience realistically functioning city traffic with thousands of vehicles and pedestrians. You can ask each inhabitant what he or she thinks and feels. Let’s get ready to manage the public transport system running between various towns. Your job is to establish and maintain routes of transportation. In huge cities it’s up to you to show your skills. Enjoy a realistic Traffic-, Infrastructure- and Business Simulation which offers amazing hours of game fun. AND although the game shows huge complexity the clear structure, the coherent concept and the handy interface guarantee an easy start – also for beginners! Traffic Giant: easy to learn – hard to handle! Get started and prove your skills! Features: Over 500 different buildings Large and very life-like cities City inhabitants and traffic with thousands of vehicles and pedestrians More than 25 different means of transportation Intelligent AI competitors guarantee long-term game fun This version of the game is a single-player only edition.