Opposing Fronts is not a classic expansion in that it does not require the original game. By itself, it allows partial access to the original game's assets in multiplayer mode. This allows players of the original game to play with those who have Opposing Fronts, even if only one of the players owns the expansion.
Opposing Fronts is not considered a classic expansion as it doesn't require the original game. By itself, it offers partial access to the original game's assets in multiplayer mode. This allows players of the original game to play with those who have Opposing Fronts, even if only one owns the expansion.