I just looked at a couple of players who have played hundreds of games and clicked on Hypergammon in their profile. The game list includes the number of moves.
I know it's tempting to think that a technical solution is the only way, but sometimes good old brainpower and elbow grease does the trick.
(sakla) 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) (Bütün ipuçlarını göster)