Where did the money come from when the game first appeared?

Well, there are several situations. First, games usually need to be tested in new packages before they can be opened. At this time, there are still many bugs and it is easier to make money. There are also rewards given by game operating companies to players who participate in internal testing and raise bugs. In addition, everyone has just opened a special zone. In order to attract players, the game will do activities and want to open a treasure chest or something. Finally, they will emigrate from the old areas to the new areas, such as a dream westward journey. There are also rewards such as experience and money