I think you need to have a button for the pause menu because in the browser when I press Escape it just minimizes the screen.After all the game is too much fun (:
Thanks very much for the feedback! Yeah I didn't consider that Escape was the default key in the browser to un-fullscreen... I guess I'll have to change it. If I can get controller support working then it'll obviously be the Start button!
If you download a version for your OS, use P to toggle full screen mode. 😉