Most physical discs in North America are 1.02. When the first Melee ISOs were dumped online in the mid-2000s, 1.02 was the most common source. It became the default.
(Helpful related search suggestions provided.) 1.02 ntsc ssbm .iso
The standard was set. Every tournament,
It is the "tournament standard" for most major events and online matchmaking. Core Content & Uses Most physical discs in North America are 1