Searching for these ultra-small versions often leads to questionable websites. Here are the common issues users face:

Lowering the graphical fidelity to almost unplayable levels. The Risks of "Ultra Compressed" Downloads

Many "highly compressed" links are clickbait designed to install harmful software on your PC.

To understand why a 900 MB version of Grand Theft Auto IV is suspicious, we have to look at the math. The official requires roughly 22 GB of disk space. Even "lossless" repacks from reputable groups like FitGirl typically only compress the game down to around 13 GB .

You may find that the game crashes during specific missions because the necessary audio or video files were stripped out to save space. How to Actually Run GTA IV on Low-End Hardware