For those using non-Steam (pirated) versions found via torrents, playing online usually requires virtual LAN software like Hamachi or Radmin VPN to connect with friends over a simulated local network.

: Approximately 5 GB to 25 GB of disk space depending on installed addons. Multiplayer on "Torrented" Versions

: Windows 10/11 (newer builds) or Windows XP/Vista (for original compatibility).