You can get a Free Halo Wars 2 Blitz Card Pack when you purchase specially marked boxes at Walmart of Cheez-Its, Pringles, Rice Krispies Treats or Kellogg’s Fruity Snack Sours.
Each Blitz Card Pack unlocks special in-game content for Halo Wars 2! You’ll receive a code through Kellogg’s Family Rewards. See product packaging for all details.
Products must be purchased by 4/30/17 and codes must be entered by 4/30/17.