Call of Duty 4: Cheats Unlocked

Halo has skulls. Gears has cogs. Grand Theft Auto has packages. But this year's most rewarding collectible hunt isn't in any of those games... it's in Call of Duty 4.

Scattered throughout the shooter are 30 hidden laptops, capable of unlocking some of the most useful - and bizarre - cheats we've ever encountered. Ranging from infinite ammo to super powered grenades to a "silent 1920s movie" filter (seriously!) these things can transform the game until it's nearly unrecognizable.

Want to see what we're talking about? The video below demonstrates all of Call of Duty 4's cheats in action. When you're done, and dying to try the special modes out for yourself, click through the page tabs on the left. Our mission-by-mission walkthrough will guide you to each and every laptop with text, screens AND video. Happy hunting.

In addition to the two Achievements worth 40 points, locating intelligence laptops will unlock the following cheats upon beating the single player campaign:

Beat the Game with No Intel: Arcade Mode
Compete for high scores with limited lives.

With 2 out of 30 Intel: Noir
Turns the game colors black and white.

With 4 out of 30 Intel: Photo-Negative
Inverts the game colors.

With 6 out of 30 Intel: Super Contrast
Turns up the color contrast in the game.

With 8 out of 30 Intel: Ragtime Warfare
Adds a sepia-toned old film filter, speeds the game up 70% and replaces sound with looping 1920s jazz music.

With 10 out of 30 Intel: Cluster Bombs
Frag grenades thrown by the player explode into five more live grenades.

With 15 out of 30 Intel: A Bad Year
Enemies explode into a cloud of bouncing, rolling car tires when killed.

With 20 out of 30 Intel: Slow-Mo Ability
Clicking the right thumbstick slows the game down 40%.

With 30 out of 30 Intel: Infinite Ammo
Gives the player infinite ammo on all weapons.


  • josemsepu - December 27, 2010 6:05 p.m.

    I am trying to get that second intel on the One Shot One Kill game but the doors dont opend what can i do pls respond to my email Thanks
  • shadowdoom - April 19, 2010 3:13 p.m.

    I have 29 but i cant find any more and i tryed the guides and it didnt work can anyone give me some tips or anything like that?
  • lolli12 - November 15, 2008 2:20 p.m.

    Heh. I have 29 intel items to go and the last intel is in the bog. Item #9
  • cod4keano1993 - October 28, 2008 9:11 p.m.

    im just writing to let you know that this only works in arcade mode or story mode
  • CheckeredFire - September 4, 2008 4:47 p.m.

    ok me again lol confusing my self atm with my comments yea ive come to talk 2 u about the one shot one kill the second intel item i tryed it multiple times on each difficulty and still no result do u have any tips or tricks 2 make this more simple 4 me if u do reply back !!!!
  • CheckeredFire - September 4, 2008 4:36 p.m.

    hey just me again ooooooops sorry that was ment 2 be on the one shot one kill level
  • CheckeredFire - September 4, 2008 4:04 p.m.

    Only me dropin by 2 show my concern of the second intel item i tryed it multiple times on each difficulty and still no result do u have any guidence 4 me thanx alot checkered P.S FIRST!!!!!
  • beefcurtains21 - September 25, 2008 11:17 a.m.

    Is the infinite ammo just for the campaign mode or is it for online gaming as well, once you unlock the feature. I play online all the time so i bareley play the story mode ever???
  • DreadZer0 - September 21, 2008 12:45 p.m.

    can someone explain why a very modern laptop is in mid-80's ukraine?
  • 666pendulum666 - September 8, 2008 8:19 p.m.

    this helped alot,even though ive found allmost half of them allready,eh happy hunting for the other half i suppose
  • doxtator10 - August 31, 2009 12:03 p.m.

  • Johns - July 24, 2009 11:42 p.m.

    I have beat the game and I can not get the codes to pop up can some one help and let me know how to get them to pop up the only code I want is the one shoot kill thanks
  • C-RIDER - April 24, 2009 4:11 p.m.

  • MMD - December 27, 2008 10:32 a.m.

    they say"click through the page tabs on the left" but i cant find these tabs how can i watch the mission by mission guide for the intel pieces
  • jammer99 - September 6, 2009 1:56 p.m.

    I need one more intel, but no matter how many times i go over the guide i can not seem to find the one im missing
  • Mirako - July 1, 2009 7:10 p.m.

    Great Guide I love the Ragtime Warfare Cheat ^^
  • m4ggot - April 5, 2009 11:19 a.m.

    u 4got the mission heat
  • JTizzle - February 10, 2009 3:19 a.m.

    i only need 1 more. its on the level after all guilied up. ive ask friends n they say its near the feris wheel but ive looked like hell n i carnt find it, cud u help me please?
  • caecorn24 - February 3, 2009 11:04 a.m.

    i can get them on singel player but not online on the ps3 also what is the cheat 4 invisible on call of duty
  • caecorn24 - February 3, 2009 10:59 a.m.


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