One possible approach would be to make the game free - to - play and look at other revenue streams instead of box sales. (massivelyop.com)
And that is part of the reason why, as you try to build passive income, travel bloggers also need to diversify and seek other revenue streams. (monetizepros.com)
This includes choosing your self - publishing options, editing, production, marketing, sales and other revenue streams from your work. (newgeneration-publishing.com)