Call of Duty: Modern Warfare 2 has three different game modes: Campaign, Spec Ops, and Multiplayer. Campaign is a single-player mode where the player completes eighteen levels connected by an overarching plot.

For some it's the original Modern Warfare, whereas others may hail Warzone as the best advancement the series has seen yet. The original Call of Duty: Modern Warfare 2 completed a terrific campaign, and its single-player mode was remastered in 2024 to remind fans why it was so beloved.

Call of Duty: Modern Warfare 2 and Warzone are specifically targeted at mature audiences. Both games depict gunshot wounds, dismemberment, and exposed viscera. The in-game dialogue regularly includes profanity. Some levels include elements such as mutilated corpses and drug paraphernalia.

Players who receive voice chat warnings or in-game voice communication penalties can still play the game. However, per the Offensive Behavior section of the Call of Duty Security and Enforcement Policy, extreme or repeated offenses may lead to a permanent suspension from playing the game online.