Same thing as with any SaaS offering: The plugins are usually multipurpose, and so a lot of users, especially those who enjoy playing games, likely already have

Same thing as with any SaaS offering: The plugins are usually multipurpose, and so a lot of users, especially those who enjoy playing games, likely already have them. And I can make updates to the game without the user having to download a patch, so I can ensure that all users are playing the same version of the game.