The Indie Games Arcade is brought to you by Grant for the Web and Enclave Games, and includes selections from the js13kGames competition. All of the arcade games are monetized in the browser using Web Monetization — an open standard for content creators.
Check out Mozilla Hacks article for the intro on the Arcade itself, and feel free to read dev.end3r.com and Grant for the Web blog posts for event recap details.
Grant for the Web is a $100M fund to boost open, fair, and inclusive standards and innovation in web monetization. To learn more, sign up for email updates and join the community forum.