While advanced algorithms like or Zstd can shrink files significantly, compressing a 4GB game down to 500MB (an 8:1 ratio) is extremely rare for modern titles without "ripping" (removing) essential data. Usually, a 500MB version would mean:
The game frequently goes on sale for under $10 on platforms like Steam, Epic Games Store, and Humble Bundle. cities skylines highly compressed 500mb full
Most sites offering "super-compressed" files bundle the installer with miners, trojans, or spyware that can steal your personal data or slow down your PC. While advanced algorithms like or Zstd can shrink
Ripped versions often crash during the loading screen because the engine cannot find missing files. Epic Games Store