While the Official Rules outline the complete details of this promotion, your question may already be answered below.

What are the prizes for this promotion?
Five (5) Grand Prizes: Each winner will receive an Xbox Series X Console, controller & Halo Infinite game.

One hundred thousand (100,000) First Prizes: Each winner will receive one (1) Halo: The Master Chief Collection.
How many prizes could I win?
There is a limit of one (1) Grand Prize and one (1) First Prize per person.

Households are limited to five (5) total prizes.
I have a valid code, but I'm getting an error.
We're here to help! Please contact us at customercare@helloworldfulfillment.com.
I successfully entered a code but never received an email with more details. What should I do?
To make sure you get emails, add customercare@helloworldfulfillment.com to your address book. Fill out the form below to let us know you didn’t receive your win email.
How will I know if I'm a sweepstakes winner?
The Grand Prize sweepstakes winners will be drawn on or around January 5, 2021.

The First Prize sweepstakes winner will be drawn daily October 16, 2020 through January 5, 2021.

The winners will be notified via the contact information provided upon registration.
I got a message that I've already entered today, but I haven't. What should I do?
Make sure you are visiting https://www.nabiscoxbox.com/ directly rather than a bookmarked page in your browser. Also, please try to clear cookies and cache on your internet browser.
I think I’m having technical issues. What should I do?
Sometimes it's a simple thing like updating your browser. Check to be sure that you have a modern version of Chrome, Internet Explorer, Firefox, or Safari. Also, you may want to check your browser preferences section to be sure JavaScript is enabled. Clearing your cache and cookies also helps in this instance.
I’m having trouble entering a code. What should I do?
Make sure you are entering the code exactly as shown. Be sure you're using a code from a qualifying, specially-marked package of:
  • CHIPS AHOY!® ORIGINAL King Size (3.75 OZ.)
  • NUTTER BUTTER King Size (3.5 OZ.)
  • CHIPS AHOY!® CHUNKY King Size (4.15 OZ.)
  • OREO King Size (4 OZ)
  • OREO Double Stuf King Size (4.15 OZ)
The code will be printed on any of these special packages. Please enter the code without any dashes or spaces.
I've entered 6 codes to earn Halo Infinite in-game content and now I cannot enter my Circle K exclusive code. What should I do?
Please reach out to us at customercare@helloworldfulfillment.com and we can help.
I have recently moved or updated my email address. Can I change my registration information for this promotion?
We apologize for any inconvenience, but due to the number of entries we receive in each promotion, we are unable to change registration information. If you do win a prize during the promotional period and your contact information does change, contact customercare@helloworldfulfillment.com and provide your updated information.

Please Note: We cannot guarantee that we will be able to accommodate your request.
Why can't I use my P.O. box address to register or claim my prize?
Your home address allows us to identify your residence for eligibility purposes.