Given that HTML5 games are pretty compatible with the many recent browsers, it is likely you could make a straightforward distribution system for the HTML5 game. They have a number of game portals, like B!Games, Giochissimo, or GamiFive, nearly all of which work on a membership model. They also have https://html5-game-licensing-plat73714.shotblogs.com/helping-the-others-realize-the-advantages-of-html5-game-publisher-partnership-49717426