Vietcong game data file
File type: Game file
A .manm file is a data file used by the Vietcong computer game for Microsoft Windows.
File type category:
Game file
Date updated: September 24, 2026
The .manm file extension identifies data belonging to Vietcong, a Windows first-person shooter developed by Illusion Softworks. The file contains game data used by the game.
Vietcong reads these files as part of its installed game data. The format is proprietary and is not intended for general-purpose use outside the game.
Open a .manm file by launching Vietcong on Microsoft Windows. The game normally reads the file automatically from its installation or data folders.
A .manm file is not designed to be opened or edited as a standalone document, and general-purpose applications cannot normally interpret it.
.manm files are proprietary Vietcong game data files, so they cannot normally be converted to another useful format. Use the file with Vietcong rather than attempting to convert it.
Software applications that handle other tasks involving manm files:
Microsoft Windows
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