GAMESTOP DIGITAL DOWNLOADS?

I JUST BOUGHT THE NEW CALL OF DUTY MAP ANNIHILATION AND I JUST RECIEVED AN EMAIL SAYING I WILL GET AN SEPARATE EMAIL GIVING ME A DOWNLOAD CODE FOR THE XBOX. BUT I STILL HAVEN'T RECEIVED IT AND THE SERVICE IS CLOSED. IM SO PISSED. EVERYONE IS PLAYING THIS DAMN MAP AT THE MOMENT EXCEPT ME. i knew i should've bought microsoft points fml..