Yes, players have finished Monopoly Go. Many users on Reddit have shared their experiences of completing the game.
Some players managed to finish Monopoly Go without spending any money, while others spent various amounts. One user reported completing the game in 31 days without spending any money but initially did not get credit for it.
Another player successfully finished the game in just 10 days without spending any money. This shows that it is possible to complete Monopoly Go without any in-game purchases.
There is also a guide available that helps players complete the game without relying on luck. This guide can be very useful for those looking to finish the game efficiently.
Overall, these success stories indicate that players can indeed finish Monopoly Go, with or without spending money, and there are resources to help achieve this goal.