How to Add Characters to Mugen

By Ana Chandler

Updated September 22, 2017

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"Mugen" is a free 2D fighting game that lets you create your own character or download a character off the Internet to fight another character. Most characters are downloaded as a zip file, which has to be opened by a program like WinZip or WinRar. You must modify several game files to add your character to "Mugen."

Download and save a "Mugen" character from a character site and unzip the file using a program such as WinZip, WinRar or 7-zip.

Copy and paste the unzipped file to your "Character" folder in the "Mugen" game folder.

Right-click your character folder and select "Rename." Type a name for the new character. Click the character folder and find the ".def" file. Open the file in a text editing program and "Save As" the new character's name .def (newcharactername.def). The character will not work if the folder name and the .def file do not match.

Open "select.def" using a text editor, and remove the lines between "Characters" and "kfm, stages/kfm.def." Add the new character's name directly under the "kfm, stages/kfm.def" line.

Start "Mugen" and play as the new character.