Requires manual file placement into the SC2 "Maps" and "Mods" folders and is often launched via the SC2 Editor for a more standalone feel. 5. Security Warning

The StarCraft 2 offline installer is a modified version of the game's installer that allows players to install and play the game without an internet connection. This installer is not officially supported by Blizzard Entertainment, but it has been created by fans and modders who have reverse-engineered the game's installation process.

: Any maps you have previously downloaded while online will be available for offline custom matches. Unofficial "Offline Installers" & Tools

If you're looking for alternatives to the StarCraft 2 offline installer, there are several options: