WoW Cataclysm Sandbox Emulator

All credit to the original author(s)

World of Warcraft Cataclysm is going to be different from the world today. Run this emulator sandbox, to get a sneak peek view of the new world of Azeroth, as it will be tomorrow.  Yes, it's a bit buggy, but thats both due to the nature of an Alpha release of the game, as well as because of the sandbox emulator itself. Make sure you read the notes below, it will save you some hassles later on.

Instructions to install the WoW Cataclysm Sandbox Emulator

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  • Make sure you have WoW US Client installed on Patch 3.3.3
    • Link:
  • Download the Cataclysm Installer
    • Link:
  • Install it:
  • Download the sandbox
    • Link:
  • Launch sandbox.exe
  • Set your realmlist to
  • Connect with any username/password

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Important Notes:

  1. Flying for long, will cause a crash
  2. Don't create a Tauren.  Keep original race/classes together.  Don't make a human hunter.  Don't make a goblin nor a worgen. All of these will cause a crash.
  3. This only works for enUS, if you are using a different one, you will need to install the whole game with enUS (see first link). You may be able to rename files from enGB to enUS to get this too work, but this is unverified.
  4. You need to go into your cataclysm folder and look for a folder named Data, then go to a folder named enUS, then look for a file named  You need to change the realm to and then run sandbox, and then run the wow.exe.
  5. Type .h for simple commands
  6. This is mainly to look at the terrain, not to actually play.  It's only a sandbox afterall.
  7. You might be able to use the WoW Machinima Tool, but that's unverified.

Just a little reminder, WoW Cataclysm is coming out within a few more months. Preorder your copy today.  Also, if you aren't yet level 80, go to UberWoW and get a powerleveling package, to raise you, and prepare you for the new expansion.

13 Responses to WoW Cataclysm Sandbox Emulator

  1. Benoit says:

    hi, every time I click on cataclysm (to install it) it says that i need a wow in the versions but after lots of try, it’s impossible to get that version, please help =(

    (sorry for my bad english i’m french)

  2. Spitt says:

    It’s only for the US version of WoW, not for EU versions. If you don’t have the US version, you will have to install an extra WoW, using a US version. Chances are that the problem. Once installed you can apply the patches manually, so that you can get to the proper version. Do not automatically patch, as it can patch to a new version which is not compatible with the sandbox.

  3. Benoit says:

    thank you but i found the problem by myself, and it was because i didn’t installed WOTLK xD (I reinstalled wow cause normally, im playing EU)

  4. esaden says:

    this is for enGB
    extract and install.
    this is for mysql/apache server
    extract Tree Cataclysm Core 11927
    open directory Server and start Mysql.bat.
    open directory A Tree Core and start file Logonserver.exe and Worldserver.exe.
    now open realmlist located in World of Warcraft Beta/Data/enGB
    set realmlist (save this)

    start wow.exe and play 😉

  5. Myles says:

    is it pc or mac because i have a mac OS X. or both

  6. Spitt says:

    Its for Windows

  7. jeeman94 says:

    hey dude, i have installed everything, and that worked out fine, but when i log into with my user name and password, it says that : ” There was a problem logging in with this account. You may not have a World of Warcraft game attached to your account, or you may be logging into a region different from the one you created the account in.” All that is wrong, you see, i created the account in norway, and now im loggin into it in norway! plz help!!

  8. Dannyboy255 says:

    Hey i was just Wondering once i log on it goes throught to sucess and conecting but then it says that its the wrong client version and i can see that Its the sandbox server becuase it says sandbox any advice my friend?

  9. King_Yoshi says:

    It could be that the sandbox doesn’t work with the newest version of the WoW Beta.

  10. jake says:

    I try connetcitng , same password and user… It comes up with WOTLK logon screen… and also say Connot Connect.. plz help… email

  11. marten says:

    i love it!

  12. Linx32 says:

    i cannot connect pls help when i want connect say unable to connect 🙁

  13. loko says:

    Make sure the version of Sandbox you have matches the patch of your Cata client,
    that is the main trouble here.

    I had to go through 4 different Sandboxe downloads to finally find the one that match my client, which is the very first one. There are a lot of client/sandbox downloads with different version packed together.

    Set realm list like this

    set realmlist
    set patchlist
    set realmlistbn “”
    set portal public-beta

    then i used admin/admin for both login and pass.

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