Another way is to use Stratagus, it can import the WC2 assets from an original CD and play using that. We used to play on huge maps many years ago with several

Another way is to use Stratagus, it can import the WC2 assets from an original CD and play using that. We used to play on huge maps many years ago with several people playing over lan (It was called freecraft back then). I'm not even sure it's maintained anymore.