No revenue estimate for PSN — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $7.3M — a different platform, not this one.

Railroads Online

Set in a huge open world reminiscent of the Americas during the golden age of steam trains, Railroads Online puts you in the role of a pioneer helping to shape the future of America. Build tracks, traverse vast landscapes in various steam locomotives, transport goods to earn money, and customize and buy new locomotives and equipment as you grow to become a railroad tycoon. Play alone or with up to 15 friends on 3 large maps, including Lake Valley, Aurora Falls, and Pine Valley, in the online cooperative multiplayer mode. Tracks, trains, & more Design your dream rail network from the ground up. Explore the world, scout the best routes, and lay down embankments, switches, turntables, and more. Then select and build tracks, bridges, and other infrastructure buildings before crossing the vast, open landscape in finely detailed locomotives and wagons. Interact with regulators, valves, brakes, couplers, and many more features in first-person view, as you drive your vehicles. But you won't