Completion bonuses

Successfully complete the game on any difficulty setting to unlock the cheat menu and Arcade mode. The cheat menu can be found at the options menu while playing the game.

 

Cheat Options

Collect the indicated number of  Intel Pieces (enemy laptop computers) hidden throughout the game to unlock the corresponding cheat option:

- COD Noir: 2 Intel Pieces. Turns graphics black and white.

- Photo-Negative: 4 Intel Pieces. Inverts the colors.

- Super Contrast: 6 Intel Pieces. Increases the contrast.

- Ragtime Warfare: 8 Intel Pieces. Silent Movie mode; graphics are black and white, dust and scratches fill the screen, game plays at two times the speed, and the music becomes piano music.

- Cluster Bombs: 10 Intel Pieces. Frag grenades are more powerful.

- A Bad Year: 15 Intel Pieces. Enemies explode into tires when shot.

- Slow-Mo Ability: 20 Intel Pieces. Slow motion game play.

- Infinite Ammo: 30 Intel Pieces.

 

Intel Pieces

The Intel Pieces can be found in the following levels. There are a total of thirty Intel Pieces.

Level 2: 2 Intel Pieces

Level 4: 2 Intel Pieces

Level 5: 3 Intel Pieces

Level 6: 2 Intel Pieces

Level 7: 2 Intel Pieces

Level 9: 3 Intel Pieces

Level 10: 2 Intel Pieces

Level 12: 2 Intel Pieces

Level 13: 3 Intel Pieces

Level 14: 2 Intel Pieces

Level 16: 2 Intel Pieces

Level 17: 1 Intel Piece

Level 18: 2 Intel Pieces

Level 19: 2 Intel Pieces

 

Epilogue mission

Successfully complete Story mode on any difficulty setting and watch the entire credits to unlock the bonus Epilogue mission.

 

Mile High Club mission

Successfully complete Story mode on any difficulty setting to unlock the Mile High Club mission.

 

Prestige mode

Reach level 55 to unlock Prestige mode. This is a multiplayer only mode that starts you back at level 1. You can repeat this ten more times.

 

Golden weapons

Successfully complete the indicated task to unlock the corresponding golden weapon camouflage. Note: The golden version of the weapons does not boost any attributes and is just purely cosmetic.

Golden Ak-47: Successfully complete all Assault Rifle challenges.

Golden Desert Eagle: Reach level 55.

Golden Dragonuv: Successfully complete all Sniper challenges.

Golden M1014: Successfully complete all Shotgun challenges.

Golden M60: Successfully complete all LMG challenges.

Golden Mini-Uzi: Successfully complete all SMG challenges.

 

Rank bonuses

Reach the indicated rank in Multiplayer mode to unlock the corresponding bonus:

Private

Level 1: All starting equipment
Level 2: Demolitions Class Weapon Class
Level 3: Sniper Class Weapon Class

Lance Corporal

Level 4: Create a Class
Level 5: Gun Challenges
Level 6: New Playlists

Corporal

Level 7: M40 Sniper Rifle
Level 8: Last Stand Perk Class 3
Level 9: Boot Camp Challenges 1

Sergeant

Level 10: M4 Carbine Assault Rifle
Level 11: UAV Jammer Perk Class 2
Level 12: Clan Tag

Staff Sergeant

Level 13: Mini Uzi Submachine Gun Level 14: Bomb Squad Perk Class 1 Level 15: Boot Camp Challenges 2

Gunnery Sergeant

Level 16: M1911 Pistol
Level 17: Martyrdom Perk Class 2
Level 18: Boot Camp Challenges 3

Master Sergeant

Level 19: M60E4 Light Machine Gun
Level 20: Sleight of Hand Perk Class 2
Level 21: Operations Challenges

Master Gunnery Sergeant

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