[peteretep]

    > It is a problem that needs a cheaper solution at
    > least for open source projects.

Maybe: games.example.com/foobarbarz instead of foobarbaz.example.com?

[greggman]

how would this help? Like Plex each game is running a local webserver on a user's home computer/apple tv/android tv/etc. It's those devices that need the certs in order to serve content to browsers on player's smartphones.