If you were to ask most people how Internet money is made on free sites or games, you'd probably get a confident answer: ads. And they're doing it in a few different ways. They're using your hard work and dedication to keep the lights on. picture yourself as a little hamster in the wheel of the gaming company. While you cheerfully crush candy or farm. And the fact that you would ask how they do it just points to how well it's working for them. Ah, my naïve little game-guzzling friend: Free games make money by selling you.