HTML5 games offer several advantages over native apps including wide audience reach, relatively quick development, and many free and open source tools. Developers can make their lives easier by using existing game engines, tools, frameworks, and more. HTML5 games can be deployed to the web, desktops, and mobile through tools like Cordova and CocoonJS. Monetization options include game sponsorship, stock templates, and self-publishing with ads. The document provides several links for HTML5 game development resources and publishers.