I can't redeem my Halo 3 steam code

Other The Library
1

As the title suggests I can’t redeem my Steam code to get the copy of Halo 3, every time I try to redeem it Steam says that it has already been used on another account

2

Do you mean the code for the Flight? If so, that ended a couple of days ago.

3

> 2533274809226598;2:
> Do you mean the code for the Flight? If so, that ended a couple of days ago.

OK thanks

4

As above, flighting for Halo 3 has concluded now I’m afraid