The claim that an 18,000 MB, high-fidelity open-world game can be compressed to 24 MB—a reduction ratio of nearly 99.9%—violates the fundamental laws of data compression. While "ripping" games (removing cutscenes and music) can reduce sizes significantly, reducing a modern AAA title to less than the size of a three-minute MP3 song is technologically impossible. Furthermore, GTA 5 was never released for the PSP; therefore, no official ISO exists to compress.
It is currently impossible to compress GTA 5 into 24MB. A high-quality JPEG photo is often 5MB. You cannot fit a 100GB game into the space of 5 photos.
In the ecosystem of mobile gaming and emulation, few search terms are as telling as "gta 5 ppsspp 24mb hot." It represents a collision of high-demand intellectual property ( Grand Theft Auto V ), accessible emulation technology (PPSSPP), and the allure of "magic" data compression. The specific descriptor "24mb" and the tag "hot" signal a distinct subculture of download portals that specialize in ultra-compressed files.