With over 100 weapons available at launch, Call of Duty: Modern Warfare 3 is a beast of a game for players of the COD series who like to consider themselves completionists of the camo challenges. In addition to the camo challenges available for the Modern Warfare 3 weapons available at launch (and unlockable through the Season 0 challenges), players can also expect a handful of additional weaponry to hit the game throughout its year cycle of 2023-2024.