This depends on what sad game they create and how many items they sell, (popularity)
Chat with our AI personalities
they make about $10 ayear
averaged to $124,688.22
Asking people to donate, and advertising are really the only ways a free game developer can earn money without being qualified as a "Shareware game developer".
a game designer
a game licence , a decent talent at art , money , and good use of flash or the software you are going to use