laclongquan
Arcane
Railroad Tycoon, Transport Tycoon and the likes have endless gameplay. You just build throughout the age. RT also has the issue of train engine has age, and new engine going out all the time so you have to meddle with the existing trains all the time.
Startopia can have endless gameplay if you install the mod of endless missions, as in you have to solve the mission in the time required, and the mission generator is nonstop.
Startopia can have endless gameplay if you install the mod of endless missions, as in you have to solve the mission in the time required, and the mission generator is nonstop.