I've used this once! Warcraft 2, playing against a friend over a null-modem, it all started out great but the swapping became worse and worse during the game. I

I've used this once! Warcraft 2, playing against a friend over a null-modem, it all started out great but the swapping became worse and worse during the game. It lagged both our games, but he (actually having the physical RAM required) at least had a responsive UI, that was too big of competitive advantage.