Any "PS2 ISO" you find online for GTA 4 is almost certainly one of the following: A "Total Conversion" Mod : These are fan-made versions of GTA: San Andreas
: Many sites offering "highly compressed" versions of games that never existed on a platform are traps designed to get you to download viruses or complete fake surveys. Clickbait Videos gta4 ps2 iso highly compressed repack
While the idea of a sounds like a treasure find for retro gamers, it is technically a fantasy. The game never existed on the platform, and files claiming to offer it are almost certainly fake or malicious. Any "PS2 ISO" you find online for GTA
If you want a GTA IV-like experience on PS2, play: If you want a GTA IV-like experience on
: Modders like PedroPAP replaced textures, vehicle models, and the HUD to match the Liberty City aesthetic.
was never officially released for the PlayStation 2 . The game was developed for seventh-generation hardware (PS3, Xbox 360, and PC) using the advanced RAGE engine, which is far beyond the technical capabilities of the PS2.