If you manage to catch it before it ends, Humble Bundle is currently running a deal in partnership with Mozilla, full of games which can run directly in your browser. As a trial, we have setup a few non-indie games we have access to, too see how it would look if we did the same.
You can check them out here:
What we would like to know, is who from our community has an embedable game, and if we should add an option to embed games directly in your profile as we have done above. Please post in the comments if this interests you!