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Both WT and TE are equally demanding on the connection; try SOD for starters.
With 3 or more players, SOD plays normally, although there are some who claim they played it on WT as well. But there's a higher chance of errors.
Otherwise, there's no difference – whether it's two players or five.
By the way, you can play through GameRanger; there are always 2v2 matches there.