If you already own the game on PC, these community tools can modernize your experience:

: This game introduced the iconic system where players unlock tactical advantages like UAVs, airstrikes, and attack helicopters by achieving 3, 5, or 7-enemy killstreaks .

: It pioneered the persistent multiplayer experience, allowing players to customize weapons with attachments and camos as they earn experience points.

: This acclaimed stealth mission in the campaign is frequently cited as one of the best missions in gaming history. Community-Driven Modern Features

However, the game is highly regarded for several core features that define its legacy: Key Legacy Features