Project Zomboid is an open-ended zombie-infested sandbox. It asks one simple question – how will you die? Whether surviving in Knox County free-roam or controlling Indie Stone mascot Baldspot in his quest to save his injured wife Kate – death is always a certainty. Quite how long you manage to put it off is another matter…

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Aug 29th, 2013
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A very handy editor made by randomer679. This is just a little program he made to edit sandbox options mid-game. He wanted to be able to turn off zombies at the beginning and then turn them back on later because ... you know :)

Source Code:

This is just a little program I've made so I could edit my sandbox options mid-game. I wanted to be able to turn off zombies at the beginning and then turn them back on later because I'm cowardly like that :D . Using this program you can edit all of the options you chose when starting a new Sandbox game.

The download is attached to this post at the bottom. To use this program just extract the .jar file and run it using Java!

Windows: Create an empty text file with notepad and fill it with

text code:
Line Numbers | Expand Code
java -jar PZSaveEditor.jar

then save as anynameyouwant.bat and make sure to set the file type to all files. Place it in the same folder as the .jar and double click it to run.

Linux (and OS X?)
: You should know this ;) But just in case here's what to do. Create an empty text file and insert the same text as for Windows. Then just double click it and select run in terminal OR run it from a terminal manually.

Once you have the program running just go to file and navigate to your Zomboid save folder. Go into the Sandbox folder and click the folder of the world you want to modify. After clicking open if the world is supported it will load all the current values for you. After this it's pretty much the same as creating a new world with a few differences. To modify some options you will have to enable advanced options. These are just a few that I feel might not be stable. To save your options either click save to just overwrite the options or use save as to save them to a new file. To use that file rename it map_sand.bin and place it in the folder of the world you want to change, overwriting the old one. The reset button only works if you haven't saved yet. It is merely a convenience.


I have not tested most of the options. The program is as bug free as I can tell HOWEVER how the game will be affected from changing the options is beyond my control. Therefore you use this at your own risk so make sure you ALWAYS backup your worlds before making any changes. The reason for not testing how the game will react is because the only option I really need at the moment as explained up there ^ is to be able to modify the Zombie amount. So if you choose to ignore this advice it is your own fault.


You use this at your own risk. While I believe it to be stable and safe, I can not and will not be held responsible for any problems you may have or that may happen whether as a result of your use of this software or not. I WILL however happily try to answer any questions and fix any bugs that you may have. :D

Feedback about the name please.

I feel the name could be slightly misleading, but I do want it to stay how it is. So please leave a post about whether you think the name is fine. Thanks!

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Frimlof Aug 29 2013, 9:45am says:

And i tough it couldn't get better... stupid me.

+5 votes     reply to comment
myxale Aug 29 2013, 11:10am says:


+2 votes     reply to comment
dnboswous Aug 31 2013, 11:28am replied:

can you explain to me how i can get it to work cant figure it out.

+2 votes     reply to comment
dnboswous Aug 29 2013, 2:42pm says:

dont know what this means: ''Create an empty text file with notepad and fill it withLine Numbers'' can anyone explain please?

+3 votes     reply to comment
TheUnbeholden Author
TheUnbeholden Sep 19 2013, 2:38pm replied:

check it again.

+2 votes   reply to comment
TheUnbeholden Author
TheUnbeholden Sep 19 2013, 2:38pm says:

For mapping and other kinds of modding:

+2 votes   reply to comment
guiltybydesign Oct 20 2013, 1:48pm says:

cant find save file plz help

+1 vote     reply to comment
Lacedaemonius Oct 23 2013, 6:19pm says:

What exactly is "very dry" rain anyways? does it turn to sand the moment it hits the ground?

+1 vote     reply to comment
Kidlonewolf Oct 30 2013, 9:50am replied:

Means it hardly ever rains..

+1 vote     reply to comment
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maffertodd Feb 20 2015, 1:29pm says:

I know this isn't the place to talk but I have to do it. Hello can anyone please help me out, how to spawn items in Project Zomboid? I cant find the command line! Please help. Where is the command line? I tried all letter's from the keyboard nothing seems to come up. And I tried typing on the CMD background behind the game, nothing's happening. Oh please oh please help me. Can anyone give me step by step procedure to bring the command line up? I want to spawn items. :_(

+1 vote     reply to comment
Starfoth May 25 2015, 3:44pm says:

Will the day ever come that this gets updated to allow erosion rate/nature adjustments?

+1 vote     reply to comment
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Project Zomboid
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The Indie Stone
Custom Built
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Released Jun 18, 2011
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