An ISO file is a "snapshot" or digital image of the original GameCube disc. While there are four primary versions of Melee—NTSC 1.00, 1.01, 1.02, and the European PAL version—the is the most common and refined NTSC release. It fixed several critical bugs and game-freezing glitches present in the 1.00 and 1.01 versions. Significance in Competitive Play The secret versions of Super Smash Bros. Melee

Allows certain unique exploits, like Link's boomerang fling. Removes many specific "unintended" glitches. Lower hitlag in some multihit moves.

UnclePunch is a popular custom training mod designed to help players practice tech skill, combo execution, and defensive options. The mod installer requires a clean v1.02 ISO to inject the custom training menus and assets. 3. Project+ and Beyond