How to upload a Custom World to your Minecraft Server

A guide to installing an adventure map using Multicraft Control panel. Users will need to comfortable using FTP. For small maps (less than 6MB) the Multicraft FTP Web Client will be sufficient, larger maps will require either a third party FTP client or the use of Explorer in windows. Refer to our How To: FTP Access guide. Users will also have to be comfortable with the use of Multicraft's Backup and Restore functions (How To: World Backup) and editing the file.


The guide will be broken down into the following stages:

  • Preparing a world save ZIP file
  • Uploading the world save ZIP file
  • Stopping the server and restoring the world save
  • Setting Multicraft to use the newly restored world save
  • Changing the server properties (e.g. Difficulty, Monster spawning, seed value) and restarting the server


It will then go on to cover:

  • Reverting back to your old world
  • Resetting an adventure map back to its default state
  • Why do we suggest that you rename the restored world folders?


Installing an Adventure Map

Preparing a World Save ZIP file

The method we will be using to get the world files onto the server is by having the world folders packaged inside a single ZIP file. When you download an adventure map then it will most likely be packaged this way, however it may not be in the ZIP file format. If this is the case you will have extract the world folders from the file and copy them into a zip file. You can identify a world folder by checking to see if it has a 'region' folder inside it, other files and folders will be present, but 'region' is where the main data is stored.

Example: I have downloaded The Company by Cubehamster. The file is in the RAR format so I need to convert it into a ZIP. I can do this using WinRAR.

  1. Open the file in WinRAR
  2. From the menu, click on Tools and Convert Archives
  3. Click on the 'Compression' button
  4. Where it is labelled 'Archive format', change it from RAR to the ZIP option
  5. Click 'OK' and then 'OK' again
  6. WinRAR will create a ZIP file version of the archive in the same foldr as the RAR file

Uploading the World Save ZIP File

The ZIP file needs to be uploaded to the root folder of your server. This is the default folder you will see when you connect via FTP. Refer to our guide on using FTP - How To: FTP Access.

Stopping the Server and Restoring the World Save

If the server is still running, you will need to stop it.

  1. Log in to Multicraft
  2. Click on your server
  3. Click on the 'Stop' button at the top

    Stop Server
  4. The icon next to the button will turn to a grey circle with a cross in it


To restore the world save

  1. Click on 'Backup' down the left hand side
  2. Click on 'Restore' down the left hand side

    Restore minecraft world button
  3. If you have uploaded the world save ZIP file correctly, you will see it listed at the bottom

    Restore World
  4. Click on the 'Restore' link to the right of it
  5. The contents of the zip will be extracted to the root directory of your server


Setting Multicraft to Use the Newly Restored World Save

  1. Go to the default server window
  2. Click on 'Files' down the left hand side
  3. Enter your Multicraft Password and click the 'Login' button
  4. You will be taken to the Multicraft Web FTP client
  5. In the list of files and folders you should see the world folder that you just extracted
  6. If this folder's name is the same as that of the ZIP file, we suggest that you rename it
  7. Click the check box next to the folder name and then click the 'Rename' button at the top
  8. Enter the new name and click 'Submit', then click 'Back'
  9. If there are Nether and/or The End worlds included with the pack you will have to rename those too but take care to keep the '_nether' and '_the_end' for the ends of the folder names
  10. Make a not of the new folder name. In my example, I changed the name from '[Puzzlemap] The Company (by Cubehamster)' to 'The Company'
  11. Return to the default server window
  12. Scroll down and look for the checkbox labelled 'Show advanced options', click on it
  13. In the 'World' box, enter the name of the new world folder. In my case this is 'The Company'. This tells Multicraft to use this world folder when running your Minecraft server.
  14. Scroll to the bottom and click on 'Save'


Changing the server properties and restarting the server

Some adventure maps require you to have certain server settings like the difficulty, whether animals spawn, or even a specific world seed value. To edit these:

  1. Go to the default server view
  2. Click 'Config Files' down the left hand side
  3. Click on 'Server Settings'
  4. You will be taken to the settings page.
  5. When you have finished making your changes, click the 'Save' button at the bottom
  6. Changes made here will not take place until the server has been restarted
  7. Go to the default server view
  8. Click on the 'Start' button at the top


Congratulations! You are now ready to play.

Further Tasks

Reverting Back to Your Default World

  1. Stop the server
  2. In the 'Show advanced options' section of the default server view make the 'World' field blank
  3. Click the 'Save' button at the bottom
  4. Go to the 'Config Files' section
  5. Go to 'Server Settings' and set them back the way they were
  6. Click the 'Save' button at the bottom
  7. Restart the server


Resetting an Adventure Map back to its Default State

  1. Stop the server
  2. Delete the world folders for your adventure map (For me those would be 'The Company', 'The Company_nether' and 'The Company_the_end')
  3. Restore the world save like you did the first time
  4. Rename the newly restored world folders again
  5. Restart the server


Why Do We Suggest You Rename the Restored world folders?

When Multicraft performs a backup it uses the name of the world folder to name the backup ZIP file. If the restored world folder and the ZIP file you used to restore it have the same name then the uploaded ZIP file will get renamed or deleted by the backup utility. Renaming the world folder will prevent this from happening.

Further Reading and External Links

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