Defeated, Alex did what he should have done in the first place. He went to a trusted site. He found the real ISO. It was 1.2GB.

In emulation and warez scenes, a "repack" refers to a game file that has been modified to drastically reduce its file size. Unlike standard ZIP or RAR compression (which usually saves 20-30%), repacks use heavy-handed techniques to achieve 70-90% reduction.

If you want PSP games for PPSSPP:

The "50 MB Highly Compressed PPSSPP Games Repack" appears to be a collection of PlayStation Portable (PSP) games that have been highly compressed to reduce their file size, making them easier to download and store on devices. The repack claims to offer a variety of PSP games, each compressed to approximately 50 MB.

Alex clicked the link. He waited for the countdown timer. He dodged three fake "Download" buttons that tried to install browser toolbars. Finally, he got the file: GTA_VCS_REPACK_BY_GAMEBOYMASTER.zip . It was exactly 48MB.