We're excited to announce that we've fully migrated the Xbox Forums to their new home, here on the Microsoft Community forums!
As of today, going to forums.xbox.com will redirect you here to the Xbox area of the Community forums. We've moved all of your existing threads over so you can continue and start conversations with the new forums experience.
We sincerely appreciate the feedback you have provided over this transition and can't wait for you to check out the new Xbox Forums!
Yes.... they can be entered in-game... however, they still need to be 25 digits, regardless of where you redeem them. (It's a package on the marketplace, so it has to conform to MS standards.) The in-game code entry merely opens up the redeem code screen
identical to that from the dashboard.
I entered my code through the "Redeem Code" Xbox guide menu option first and it didn't take. It said "Invalid". I then read the little flyer and read "enter coupon code under content in the in-game menu.
So I did that next after installing the game to my hard drive and it worked.... so uhm...yea. it worked =/