
M16A2:
Platform: Xbox
Successfully complete the game under the Black Ops difficulty setting. You will now have the M16A2 (M16 with grenade launcher attachment) on every level.
BFG (M249 SAW) in City Streets level:
Platform: Xbox
Enter 5SQQ-5THA-ZFFV-7XEV as your profile name. After selecting "Done", you will be able to re-enter an actual profile name. This is how you know the code was accepted. When you begin the first level, you will have the BFG weapon.
Silver weapons:
Platform: Xbox
Successfully complete the game under the normal or hard difficulty settings. All guns will now be silver and have unlimited ammunition.
Black Ops difficulty setting:
Platform: Xbox
Successfully complete the game on the hard difficulty setting.
Alternate profile names:
9NDH-293Y-P6MJ-829Q
EG4P-ZGUJ-6SQJ-3X68
FG6S-WFZG-7MDP-PZGT
G68Y-X5LB-N8PE-9D7N
HQ6G-ZP3B-C5LE-WMXA
3K67-9J5G-NSQH-G49M
3ZEQ-JXH9-TR2H-Y87D
5Q9E-4SEK-FJVV-C5HV
6DEG-7W3X-RKJF-TDF4
8PPV-J8SY-KA8T-BPYK