COD4 Modern Warfare Keygen, Level 55 Hack- unlock all guns.


[Update: 1-5-09] Due to Underground proactiveness, Chyea has re-done the video tutorial to lay down the hellfire that this hack does work.  All you non-believers, watch the video and cleanse your eyes.  If you cannot accept the fact that this hack work,s then you need to re-evaluate your own method.

“Call of Duty 4 makes you unlock weapons, weapon attachments and mods, camouflage, and challenges. Well there is a way around that because all of the data is stored client-side. To unlock all weapons for Call of Duty 4 multiplayer so that you don’t have to level up follow these easy instructions.

  1. Download this mpdata file.
  2. Go to Start -> Run-> Type regedit -> Hit Enter.
  3. Go to HKEY_LOCAL_MACHINE -> Software -> Activision -> Call of Duty 4
  4. Double-click codkey
  5. Save the key in notepad
  6. Replace the key with: DL2J8PY44Q22GE4888D2
  7. Press OK and close regedit.
  8. Navigate to your Call of Duty 4 profile folder (typically “C:\Program Files\Activision\Call of Duty 4 – Modern Warfare\players\profiles\your_user_name”)
  9. Back-up and then remove all the files in your user name folder.
  10. Place the mpdata file you downloaded in your user name folder
  11. Open the COD4 MP game and check your rank. You should now be level 55 with all challenges, guns, and every camouflage unlocked!
  12. Finally, in the game go to Options -> Multiplayer Options -> Key Code and type your original cd key you have saved in notepad.
  13. IMPORTANT: you MUST join a server after the above step, stay in it for a couple of  minutes so that the new cdkey will be encrypted onto your profile.

There you go, you now have everything unlocked. Enjoy.”

Note: if you’re using Windows XP, when choosing to save the mpdata file, make sure you put quotation marks -> “mpdata” as the file name. Otherwise XP will save it as a default txt(I think) format.

Note: if you are using a 64 bit OS, the registry path for the cdkey is as follows: HKEY_LOCAL_MACHINE —> SOFTWARE —> Wow6432Node —> Activision —> Call of Duty 4

Source (Thank you): http://karmarogue.com/2007/11/19/cod4-unlock-all-guns-level-55-crack/

Video tutorial: http://www.youtube.com/watch?v=LSP76WbLJ_Q&fmt=22

Video re-done and uploaded 1-5-09.  Watch it in HD at youtube.

Also, to play COD4 in a window, add this to the shortcut: +r_fullscreen “0”

Posted on December 16, 2008, in Gaming and tagged , , , , , , , . Bookmark the permalink. 258 Comments.

  1. Thank you it worked for thanks so much

  2. nice job dude! really worked, soo easy :P

  3. dude when i open the page it comes up as som code thing…

    iwm0¢-6ªñŽ ì·A‚áuá&… <<<<<thats the first TINY bit…!?

  4. is not work

    • Why are you trying to cheat anyway? Maybe it’s god given gift to force it to not work for you.

      • If you have been playing at lvl 55 for 3 years it is not actually cheating. Your server friends just know you as lvl 55 and when Windows crash you have to start all over. So if you use the hack it won’t be cheating but for a noob at lvl 1 it would be cheating, agree.

  5. [PLZ] Need_Help

    Doesn’t work on win7 64bit. Followed every step, but still nothing. Worked absolutetly perfectly on XP and Vista though.

  6. Dosn’t work on Win7 64 bit
    followed every step !
    Help

    • I run WIn7 64bit and the hack works perfect. You must be doing something wrong. Do you remember to put your cd key back before joining a game?

    • it works mate. Follow everything.

      If at step 5 you have the same key (for any reason: pirated game etc) , then generate a new key using the rzr-cod4-keygen.exe and use it in step 12.

      Viola!!

  7. mine worked win7 64bit easy just remember to put your original cd key in after you done it b4 you join a server

  8. original cod 4 CD key, posly sms ve tvaru GP 886894 na tel: 900 09 99 obratem ti dojde sms s CD keyem

  9. If you cannot find the path “C:\Program Files\Activision\Call of Duty 4 – Modern Warfare\players\profiles\your_user_name” then try searching for

    C:\Users\your_user_name\AppData\Local\VirtualStore\Program Files\Activision\Call of Duty 4 – Modern Warfare\players\profiles\your_user_name

  10. LOLZ i did all it said when i started up game it said reset all stats = level 1 again thanks so much lolz i was level 43 now im 1 again thx so much …..

  11. i dont have the part with players and stuff can some1 help me ??? step 8 i cant fidn that place :,( help please
    please please please

  12. wtf… there is no activision in regedit…

  13. i dont know what i must do after replacing file :S pls help me on secribe on a little bit longer way what i must to do… thanks & i hope it works on 64 bit OS :)

  14. i got the level 55 completed profile….but i cant use this profile for pezbot…….help me

  15. Hi there. I am a 61 year old guy and playing COD4 for more than 3 years now. I started over about 3 times just because of Windows crashes etc. I am tired of getting back what I have earned after each Windows crash. I run Win 7 64Bit. I tried your hack and it works like a bomb, excuse the pun. Great work, hats off to you. Bring on those Win7 crashes anytime.
    Thanks again.
    Oupa.

  16. hi..i cant do the hack because my cod4 that i have not go through the common installation process..i just copy cod4 from my friend & paste it into my external hdd…so i didnt have the registry file..but i can play cod4 like others..there is no problem bout that..so what should i do to hack all of that things??? plizzz help meeee…

  17. PROBLEM! I followed the directions (I think) and it says “an error occurred, your stats have been reset.” I am not an idiot, so I made a new account to try it on so I didn’t lose anything, but I am tired of having to level up over and over when my computer crashes. Please reply if you know a solution!

    Thanks

  18. Mohammad Salman

    i am using windos 7 the hack does not work and my status is reset?

  19. Worked for me :D. Went out and started killing hehe. Thing is, tbh I suck at game, so im using this to learn and when I start doing good and start playing the game well enough, ill go to weaker weaps and perks, then ill start over. Originally i made it to lvl… 12. But that was on a FFA with over 40 ppl lol! Its a little easier to lvl on those. But Im working my way up, soon ill be able to start bk.

    Shadow.

  20. ott amikor rá megy a startra és futtatás mit irt be??

  21. na az megvan már csak az kéne hogy mire nyomott rá hogy az neki előatta

  22. na már az is megvan ja és bocs raboltam az idödöket amugy mukszik nekem tök jó

  23. hola hice todo lo mas bien.anda bien el nvl hack pero despues de jugar unos minutos me saca el PB me dice q es por un prolema de key y me kickea por 2 largos minutos
    tengo miedo de q me bannen global y q pierda la serial original

  24. THIS DOES NOT WORK WITH THE STEAM VERSION!!! AGAIN THIS DOES NOT WORK WITH THE STEAM VERSION!!!

    SERIOUSLY…

  25. I have a cracked game i can play it just only Multiplayer not single player and it dont work for me
    I do all right and check my Rang but it still lvl 1 -_- Thats sucks

  26. yeah its not work …. jst a shit man .. :P

  27. how can I make it work with gameranger? (:

  28. Not working on win 7

    • Is it possible win 7 has different folder saving structure and that is why it doesn’t work? If you go to google, I’m sure there are character save files you can get to unlock all your levels.

  29. i didn’t install the game & copied from another installed computer… there no any codkey file im regedit path.. wat will I do?

    • corne.demeyer@gmail.com

      Go to serialworld.org and get a free serial and enter it in cod mw options/multiplayer

      Sent via my BlackBerry from Vodacom – let your email find you!

  30. no cdkey registry there

    • corne.demeyer@gmail.com

      Google cod mw cd keys, if you find nothing I will give you a generated one

      Sent via my BlackBerry from Vodacom – let your email find you!

  31. bLASTING THUNDER

    I DONT UNDERSTAND IT IN WINDOWS 8 CAN ANY ONE TELL ME

  32. Can u help me I done this but the act vision does not show up do u need to hook up a USB to game from laptop I download the link on window 7

  33. i cant find the Activation in regedit……. what to do now plz help

  34. i didnt find my Activation folder in Regedit “HKEY_LOCAL_MACHINE” >softwer>……. how to add or find thoes files plz help

  35. i didnt find my Activation folder in Regedit “HKEY_LOCAL_MACHINE” >softwer>……. how to add or find thoes files plz help

  36. i lost my previous profile can i recover or get it back…… plz help me some one who have high profiles and email me thoese files if possible…………

  37. How to be Level 55 in a custom map.. worked perfectly on original maps but in custom maps i return to level 1

  38. I go to “players” folder in “Call of Duty 4 Modern Warfare” and there is nothing, although i have created a profile in-game!

  39. realy nice. im banned from all servers, motherfucker!

  40. The above step did not work for some people and for me also but i found it of my self its so simple no need of many steps as given above only 2 steps required to open all stuff
    1) Open your call of duty multiplayer go to setting then multiplayer setting and change the key to DL2J-8PY4-4Q22-GE48-88D2 then click on verify and quite the game.
    2) download the above mpdata file and replace it in your user or player folder enjoy

  41. StrainedBox47

    THANK U

  42. umm i got it saying cant change error writing codekey plz help

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