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.DEF File Extension

A .DEF file is a Module-Definition File, created by Elecbyte.

Open with Any text editor. Available for Linux, Windows, and Mac.

What is a .DEF file?

A .DEF file is a special kind of file that is used in making video games with the M.U.G.E.N engine, which is a tool for creating 2D fighting games. This engine is popular because it allows people to make their own fighting games using custom or existing characters. The .DEF file contains important information about a character in the game, such as the character's name and the version of the character. It also links to other files that describe how the character looks, moves, and sounds. These files have extensions like .CNS (for logic and moves), .SFF (for images and sprites), .CMD (for commands and moves), .SND (for sound effects), and .AIR (for animations).

To open a .DEF file, you can use any basic text editor like Notepad on Windows, TextEdit on Mac, or Gedit on Linux because the information inside is stored as text. However, to use the .DEF file as it is intended and to work with the M.U.G.E.N engine, you should use the Elecbyte M.U.G.E.N program. This program understands how to read the .DEF file and integrate it with the game you are creating.

You will probably only come across a .DEF file if you are making games with the M.U.G.E.N engine. When you are organizing your game's files, you'll find that .DEF files related to characters are kept in a folder named "chars/", and .DEF files that contain information about the game system or settings are in a folder named "data/".

In summary, .DEF files are crucial for defining characters in games made with the M.U.G.E.N engine, and they can be opened with simple text editors for viewing or editing. However, to fully utilize them, you need to use them within the M.U.G.E.N game development environment.

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