: Note that achievements and level progression are disabled during offline play to prevent cheating. cache specific custom maps for offline play before you go off the grid?

: Download and install the full game via the Battle.net Desktop App. Ensure the game is fully patched and up-to-date.

Once completed, you hold a genuine, of one of the greatest RTS games ever made. You can play the entire single-player experience on a plane, a submarine, or a remote cabin without a single ping to Blizzard’s servers.