Csgo-2018.rar -

Used by players to revisit old maps, weapon sounds, and UI.

Testing old physics or movement bugs (like crouch-jumping). csgo-2018.rar

Running modified game files while connected to official servers is risky. Used by players to revisit old maps, weapon sounds, and UI

A snapshot of CS:GO before the panoramic UI and major engine overhauls. csgo-2018.rar

Looking at how skins appeared before lighting updates.

Editors use it for "old school" aesthetics in montages.