This is the game that introduced the "Perk" system and Killstreaks, which are now staples of the franchise.
: The mention of a "1.4 GB" size typically refers to "highly compressed" repacks created by third-party groups. These versions often strip out non-essential assets like multi-language audio files or lower the quality of cinematic videos to achieve a smaller download footprint. This is the game that introduced the "Perk"
These versions often achieve small sizes by removing "unnecessary" files like high-quality textures, cinematics, or multiplayer maps (often called "rips"). Instability: This is the game that introduced the "Perk"