In Modern Warfare 3 and Warzone, weekly challenges have become essential for unlocking valuable rewards such as animated camos, weapon blueprints, and parts like conversion kits. In Season 5, completing these challenges allows players to unlock the exclusive Chainbreaker animated camo. Players must finish any five weekly challenges across various modes—multiplayer, Zombies, or battle royale—to earn this limited-time reward.

Challenges are spread across eight weeks, and players can complete them in any order before the season concludes on September 18. Missing out on these weekly tasks means losing access to these unique rewards permanently.