Call of Duty: Modern Warfare - Mobilized Cheats - Nintendo DS

Unlock Survival Mode
Go to War Room, select Options and enter the following code to unlock the Survival mode. The cheat lasts until you turn the game off. Once you turn the game on again, you must re-enter the code and any progress made before will be lost.

[Select], [L], [R], [Select], [Y], [Y], [X], [R], [L], [X], [R], [Y]

Unlock Modes
Arcade Mode - Beat campaign on regular or hardened difficulties.
Mini-Game Mode - Beat campaign on any of the three difficulties.
Survival Mode - Beat The Game On It's Hardest Difficulty.

Unlock Weapons
M4 with Red Dot Scope - Achieve 50 Multiplayer kills with the Allied faction.
Skorpion Machine Pistol - Achieve 50 Multiplayer kills with the Enemy faction.
AA12 Automatic Shotgun - Achieve 100 Multiplayer kills with the Allied faction.
AN94 Assault Rifle - Achieve 100 Multiplayer kills with the Enemy faction.
P90 Sub Machine Gun - Achieve 300 Multiplayer kills with the Allied faction.
Steyr AUG A3 - Achieve 300 Multiplayer kills with the Enemy faction.
Heckler-Koch HK MG4 - Achieve 500 Multiplayer kills with the Enemy faction.
M249 SAW Machine Gun - Achieve 500 Multiplayer kills with the Allied faction.
Weapons Room - Beat the Campaign on the Regular difficulty.