: The (2) in the filename usually indicates it was a duplicate download on the system where it originated.
: If you are unsure of the source, do not open or extract the archive. Defcon.v1.6 (2).rar
: For a safe experience, it is recommended to get the game from the official Steam Page or the GOG Store. Defcon 1.6 launched - Introversion : The (2) in the filename usually indicates