N 3 V has to make money. It balances the pleasures of users (purchasing addons) to new customers purchasing the base product. Fortunately, despite trying to turn the simulator into a game, the improvements have energized the existing customers who are a more critical crowd. So today we have simulator with ever increasing graphics improvements for gamers to technical improvements for controlling the graphically realistic sets of pixels. Despite some lulls, it is an evolving product, mostly in a direction that satisfies most customers.