These are "cracked" games where unnecessary files (like extra language packs or 4K textures) are removed or heavily compressed to make the initial download much smaller.
To understand the repack market, you have to understand the "Rental Graveyard." Scooter Repacks
The Corpo Security cruisers swarmed, their spotlights cutting through the rain like scalpels. Kael slammed the container door shut. He was sweating. A Repack explosion meant a trace. The scooter’s black box would log the last known mechanic’s signal. These are "cracked" games where unnecessary files (like