If you travel frequently, suffer from an unstable internet connection, or simply want to preserve your favorite RTS game for offline data safety, this verified guide will walk you through exactly how to set up, download, and run StarCraft 2 offline legally and safely. The Reality of StarCraft 2 Offline Mode
Once your game is fully updated and authenticated, you can cut the internet cord. Here is how to launch it when you are completely offline. Method A: Through the Battle.net Launcher
