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Mugen FAQ

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file formats


The file formats listed below are sometimes proprietary formats but most of the mugen archives are compressed with 3 or 4 file formats. First you got to find a program to extract or compress the files. Note that this isn't reserved to mugen but also applies to all domains as most of the files on the internet are compressed.


ZIP - .zip extension.

This is a common file format for most of the sites.

Try Winzip at http://winzip.com


RAR - .rar extension.

Another common file for some of the sites.

Try WinRar at http://rarlab.com

Note : WinRAR supports ZIP, RAR, ACE and some other formats, so I think you'll only need this shareware for 98 % of the files out there. Japanese creators will use ZIP or DGC/GCA most of the time.


ACE - .ace extension.

Less common but still a used file for some of the sites.

Try WinAce at http://winace.com


LZH - .lzh extension.

This is another file format that's familier with zip files. Winzip does not work

to extract those. Use WinRar instead.


GCA - .gca extension.

This is a mysterious file that is extremly uknown to many mugen fans and newbies. Try this GCA program at http://emit.jp or try www.zipzag.com


DGC - .dgc extension.

This another mysterious file that is made by the same creator who made GCA. get this program at http://emit.jp


7zip - .7zip extension.

This program is very good at packing large amounts of images into much much smaller files. Get this program at http://www.7-zip.org/


Note that all programs are shareware except DGCA and GCA and 7zip which are freeware.

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  • 10 months later...

Note - This thread is not to replace any other threads of this section, simply contributing and adding more information for others.

What is M.U.G.E.N.?


M.U.G.E.N is a 2D fighting game engine designed by Elecbyte and originally released in 1999. Elecbyte distributed beta versions that ran under DOS, Linux, and Windows. The engine allows for anyone to create characters, stages and other game objects through interpreted text files and graphics and sound compilations and it also supports various types of audio formats such as MP3, ADX, OGG and MIDI as background music during gameplay. The engine allows for the type of functionality found in most any commercial 2D fighting game, such as the Street Fighter games produced by Capcom, the Naruto games produced by Bandai, or the King of Fighters games produced by SNK. Creators of M.U.G.E.N content are from all over the globe, most notably including American, Brazilian, Japanese, Chinese, and French creators.


How do I add characters?


1. Make sure that when you open the characters folder the .def file is in there


2. Make sure the Name of the folder is exactly the same as the name of the .def file inside


3. Open the .def file in notepad and make sure all the files in the folder are referenced correctly.


4. When you have done all this just simply add the characters name to the select.def file found in the data folder.


How do I remove the numbers and letters from the bottom of the screen?


In your mugen.cfg file you need to set debug to 0


;Set to 0 to disable starting in debug mode by default.

Debug = 0


What are the best websites to get characters/stages/etc.?






How do I add more character slots?


You need to download a screen pack, that allows you to do so, those can be found at the following websites.


This is a custom screenpack, here's how to install one.






Unzip it with Winzip.


You will see this in the directory then:




You must move all the files which are in the directory data and put them in the directory data Mugen.


You must also do it for the directory font, therefore cut the files being in the repertory font and paste them in the repertory font of Mugen.

When you install a Screenpack, the file select.def is generally to

modify, you must thus put the chars of your old Screepack to the new one



When you download a screenpack, you can have another

file, for example music; in this case, you must

place the files which are in the directory music in the directory

sound of Mugen.


It may be also that when you unzip, there are files not in directories.



You will have to do this:


- place the .fnt files in the directory font


- place .mid and .mp3 files in the directory sound


- place the remainder of the files in the directory data



Now you can start Mugen and admire the new form of your game.


The creators of Mugen placed a directory big. in the directory data.




You can find there a file being called select.def:




You must copy these two files and place them in the directory data, you will then be able to select 60 characters!




How do I add music to my stages/menus?


Put your sound in the mugen/sound folder.


Go to the stage that you want to put music in, and scroll down until you see this.



bgmusic = sound/

bgvolume =


Write the name of the file in bgmusic and 0 in bgvolume (standard value: if not loud increase it)

Then you get this



bgmusic = sound/example.mp3

bgvolume = 0


But make sure you put example.mp3 in the sound folder.


How do I take a screenshot in-game?

Press F12

How do I add my own stages?


After having downloaded the stage, unzip it with Winzip.


You will see two files:




Move these two files in the directory stages of Mugen.




Now, open the file select.def with a text editor like notepad.


There are two ways of adding a stage:


- Put a specific stage to a char, for that it is necessary to just put after the name of the character this ", stages/nameofthestage.def ". For example if we want to assign with the character chris the stage flames you will arrive at this result:




-Put a training course randomly, for that you must place in a line between [ ExtraStages ] and [ Options ] this " stages/nameofthestage.def

". Then you must place just after the name of the character who will have a stage randomly this ", random ".


For example if we want to add the stage flames and that we want that chris has one stage randomly (one of the stages which will be in [ ExtraStages ]), you will arrive at this result:




Here, now it is enough for you to check if the stages were indeed installed by beginning a fight.

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Is it ok that I add this? It was recently posted by yours truly, I just compiled it and posted it.




First, open you Mugen.cfg. Head down near the bottom where you'll see the heading 'Sound Configuration'. Then you'll see the following:


;Set the following to 1 to enable and 0 to disable MIDI, MP3, MOD and CD


PlayMIDI = 1

PlayMP3 = 1

PlayMOD = 1

PlayCDA = 1


MAKE SURE THERE IS A ONE AFTER ALL THESE. If there is not, add the ones and try your game again. If it still doesn't work, go up in the CFG a little ways, a couple lines above the 'Sound Configuration', you'll SOMETHING like this:


plugin = plugins/in_mp3.dll, mp3, mp2, mpg

plugin = plugins/in_vorbis.dll, ogg

plugin = plugins/in_adx.dll, adx


Simply head to the first line and add a word, make it look like:


plugin = looptype=1, plugins/in_mp3.dll, mp3, mp2, mpg


That should do the trick.




Order goes from 1-10. The numbers represent how powerful they are. Evil_Ryu would be like, 4.


The trick is to set your fight number in your select.def This sets the amount of fights you have to go through in arcade. For example, a balanced line looks like:


arcade.maxmatches = 6,4,2,1,1,0,0,0,0,0

team.maxmatches = 6,4,2,1,1,0,0,0,0,0


Meaning you'll fight six level 1 matches, four level 2, two level 3, one level 4, and one level 5.


Then, you set the order for your chars. If you use the method above, they need to be set from 1-5.


Example, if Ryu is set at order=1, he'll be among all the other level 1 chars that you'll randomly fight first. If Evil_Ryu and Evil_Ken are the only ones in order=4, and you only have one level 4 fight, the game will randomly choose one of them for you to fight, but only for the level 4 match. ^^


SETTING UP SCREENPACKS - Selecting Starting Cursor Position


This example vid is for Mugen Fighting Jam screenpacks.




This'll show you how to do it, AND select your starting cursor position!





Edited by Evil_Ryu_X
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Um, uh, well... ALL of them were answers to your questions. :lol:


Ok.........yeah. They were. LMAO. I just wonder how much longer it will get if I keep having problems. :) Is the tier/level system or music looping in there yet? I didn't check.


EDIT: I checked. it is, of course.

Edited by onetrueblade
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  • 2 years later...

This FAQ hasn't been updated in ages, and I doubt it ever will be. Our MUGEN section is pretty much dead and forgotten nowadays, and serves as an archive at most.

Unless our MUGEN moderator who seems to be MIA suddenly pops up and deals with your questions.


None of the residents here have much love for MUGEN, and those who did haven't been seen in a while.

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