hexkid: I've never heard of this Pro Line4 being played anywhere. Incidentally, in that game you linked to, I note that Jason does have a diagonal four in a row in addition to the horizontal five in a row.
(hide) If you are waiting for your turn, click on "change" next to the "refresh" on the main page, then set refresh the page to 30 seconds to get your turn to move displayed faster. (Servant) (show all tips)