A standard PS2 ISO is a 1:1 copy of the game disc. Compressed versions (e.g., CSO, or ZIP archives with small installers) reduce file size by:
A highly compressed Budokai Tenkaichi 2 can shrink from 4.2 GB down to 400–700 MB. Dragon Ball Z Budokai Tenkaichi 2 Ps2 Iso Highly Compressed
A highly compressed ISO is the original game image repackaged using advanced algorithms (often via tools like WinRAR, 7-Zip, or GameCube ISO Tool for specific formats). Claims of extreme compression (e.g., shrinking 3.8GB down to 300MB) usually involve: A standard PS2 ISO is a 1:1 copy of the game disc
We must emphasize: Downloading a proprietary ISO from a random website is technically copyright infringement. However, downloading is generally considered legal if you own a physical copy of the game. Here is the ethical and safe path: A highly compressed Budokai Tenkaichi 2 can shrink from 4