Prediction: Pain - 10000 XP
Complete any Campaign Mission on Heroic or higher difficulty with the Famine, Luck and Thunderstorm skulls.

Midnight Madness - 30000 XP
Complete Midnight on Legendary difficulty with the Mythic, Tilt, Tough Luck and Thunderstorm skulls.

Spartan Ops

Creeping 'n Crawling - 10000 XP
Kill 50 Crawlers.

Knightmare - 20000 XP
Kill 30 Knights.

War Games

Spray and Pray - 10000 XP
Get 75 kills with an Automatic Loadout Weapon.

In Your Face - 20000 XP
Earn 40 CQC Medals.

Click here to see a complete list of this week's Weekly Challenges.