Searching “FIFA 23 PS2 ISO download” yields many shady results. Avoid any site that:

To run this ISO, you cannot simply put a standard disk into your console. You need a way to launch "backups" or custom software. Most users play FIFA 23 PS2 through one of these two methods:

An ISO file, also known as an ISO image, is an archive file that contains the contents of an optical disc, such as a CD or DVD. In the context of PS2 gaming, an ISO file is a ripped copy of a PS2 game, which can be played on a console or emulator using a compatible device. For FIFA 23, a PS2 ISO file would contain the game's data, allowing players to experience the game on their PS2 console.

—the "FIFA 23 Para PS2 ISO" is a popular community-driven mod that brings modern rosters and kits to the classic hardware. These ISO files are typically modified versions of older PS2 titles, like FIFA 14, painstakingly updated by fans to mimic the appearance and atmosphere of the 2023 release. Retro Meets Modern: What’s Inside the ISO?