A few months ago I got an Xbox Live message containing a code to let me download Halo 3 ODST on the MCC for free. I promptly forgot about it until today, when I went to find the code and download the game. However, my messages app and the messages on the xbox website only show messages from 5 days ago, so I can’t access my code Is there any way to get a new code or recover the one I was given before?
Hey DeathAngel, while you can’t recover the code from the message you can get a new one. Check the MCC FAQ link in my signature. First post has details on what to do if your code gets lost or deleted 
I have also never gotten my halo ODST code despite having played the game during the period. Can it be resent or something?
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> I have also never gotten my halo ODST code despite having played the game during the period. Can it be resent or something?
Read my post directly above yours