As to be expected, a new Call of Duty game means a fresh grind for XP and weapon progression, and Modern Warfare 3 will offer a few ways to level up fast. A new Call of Duty blog post details all the challenges you can expect at launch, including new armory unlocks to help you unlock attachments faster. Here's everything you need to know about challenges and leveling up in Modern Warfare 3.

Daily, weekly, and career challenges

You'll have a few challenge types to help you progress through the ranks in Modern Warfare 3. These are split into dailies, weekly, and career challenges.

Daily challenges

Daily challenges give you a set of challenges to complete every 24 hours, and these are similar to what Call of Duty has offered in the past, with a simple set of three challenges that reset on a fixed schedule. These will be available in multiplayer, Zombies, and Warzone.