of data. However, much of this is "garbage data" or padding used to fill the physical disc. Compression Methods: Tools like Dolphin's native RVZ format strip away this padding. Resulting Size:

Click and select the folder where your extracted game is saved.

Original GameCube discs hold of data, but the actual game files for Double Dash are surprisingly lean [2, 3]. Because Nintendo utilized efficient coding and shared assets, the core game data is often less than half the size of the physical disc [3, 4]. The Science of Shrinking

A standard Mario Kart: Double Dash!! game disc image (ISO) is exactly . This is the standard size for all GameCube discs, regardless of how much data the game actually uses.