Modern Warfare 2 beta was the biggest in Call of Duty history

Infinity Ward is detailing some of the improvements coming ahead of launch, too

Modern Warfare 2 Beta Skin Praised For Being Better Than Anything In Vanguard

Modern Warfare 2 Beta on Steam Brought in Nearly 110K Concurrent Players

Call of Duty: Modern Warfare 2 Beta Was Biggest in Series History - The Tech Game

Modern Warfare 2 Open Beta Ground War Invasion Explained

Call of Duty: Modern Warfare 2 has largest beta in franchise history, Infinity Ward outlines changes coming

Activision says Modern Warfare III has set records for the highest player engagement out of the current MW trilogy and Modern Warfare Zombies is the most played Co-Op mode in Modern Warfare

Call of Duty 4: Modern Warfare - Wikipedia

Modern Warfare 2 leak claims beta dates are further away than we thought - Charlie INTEL

Modern Warfare 3 reveal is breaking huge series traditions – and we're here for it - Mirror Online

Modern Warfare 2 just ended the biggest Call of Duty beta of all time - Xfire

Call of Duty®: Next: Call of Duty®: Modern Warfare® II Multiplayer Brings the deepest, most innovative MP experience yet

Call of Duty: Modern Warfare Multiplayer Beta Was the Largest in Franchise History

Modern Warfare® Beta*: PC Minimum Specs and Settings