Rainbow Six: Lockdown cheats and cheat codes for XBox

Cheat mode:
Go to the "Special Features" menu and buy the following cheats for the indicated 
amount of Intel Points. To activate the purchased cheat codes, pause the game 
play, then choose the "Enter Cheat Code" tab at the options menu. 
If the code is accepted, you will see the name of the code.
Re-enter the code to disable the cheat effect. 

Ghost Mode: 250 Points - Enter Up, Up, Left, Right, Down, Down. 
Team God Mode: 450 Points - Enter Left, Down, Up, Up, Right, Left.
Fast Movement: 450 Points - Enter Left, Left, Left, Right, Right, Right. 
Unlimited Ammo: 550 Points - Enter Up, Down, Up, Down, Left, Right. 
Unlimited Items: 550 Points - Enter Left, Right, Left, Right, Up, Down. 
God Mode: 600 Points - Enter Up, Right, Left, Up, Down, Down.
One Shot Kill: 600 Points - Enter Up, Up, Up, Left, Left, Left. 
Increased Force: 650 Points - Enter Right, Right, Right, Down, Down, Down. 
Invisible: 900 Points - Enter Down, Down, Down, Up, Up, Up. 

Unlock artworks images:
Go to the "Special Features" menu and buy for the indicated amount 
of Intel Points:

Part 1: 10 Points
Part 2: 10 Points
Part 3: 10 Points
Part 4: 10 Points 

Weapons:
USAS 12: Spend 70 Intel Points at the "Bonus" menu
UMP-9: Spend 50 Intel Points at the "Bonus" menu
U100MK3: Spend 60 Intel Points at the "Bonus" menu
SR-4 CQB: Spend 100 Intel Points at the "Bonus" menu
SPAS 15: Spend 40 Intel Points at the "Bonus" menu
P90TR: Spend 80 Intel Points at the "Bonus" menu
MTAR-21: Spend 70 Intel Points at the "Bonus" menu
MP7SD: Spend 40 Intel Points at the "Bonus" menu
M249SPW: Spend 80 Intel Points at the "Bonus" menu
GL69A: Spend 100 Intel Points at the "Bonus" menu
AS9: Spend 60 Intel Points at the "Bonus" menu

P.E.C. mode medals:
Finish the indicated task in P.E.C. mode to earn the indicated medal.

Earn Mercenary medal: Get a collective 100 kills
Earn Purple Heart medal: Get killed a collective 100 times 

Earn Multi-player medals:
Finish the indicated task on Xbox Live to earn the indicated medal.

Earn Valor medal: Win 20 clan matches in a row
Earn Sharpshooter medal: Have 90% accuracy for 20 games in a row
Earn Sapper: medal Plant 500 Explosives
Earn Purple Heart medal: Get killed 100 times
Earn Perfect Attendance medal: Play seven consecutive days
Earn Mercenaries Badge medal: Get 100 kills
Earn Interceptor medal: Kill canister holder 100 times
Earn Communications Specialist medal: 250 Total Conquest captures
Earn Biohazzard medal: Retrieved the canister 100 times

Earn Veteran medal: Visit all modes on all levels for each mode 
(Total Conquest, Team Earn Sharpshooter, Team Survival, and Retrieval)

Earn Equipment Specialist medal: Use all default equipment 
(mines, gas mask, grenades, handguns and the original primary weapons)