Software like PCSX2 (PS2), Dolphin (GameCube/Wii), and RPCS3 (PS3) requires these ISO files to function.
For gaming, this means an ISO of a PlayStation 2 or Nintendo Wii game isn't just the "game data"; it is a functional clone that an emulator can "read" just as the original console hardware would read a physical disc. Decoding the "Index Of" Search Index Of Games Iso
Since you are pulling directly from a server's file system, download speeds are often capped only by your own connection. Software like PCSX2 (PS2), Dolphin (GameCube/Wii), and RPCS3