FPM files are supported by Windows. They belong to FPS Creator by The Game Creators Ltd. FPS Creator makes first person shooter games without programming or 3D modeling needed. The compiled game is a standalone EXE file.
The FPM file contains level information for FPS Creator to build it. If altered, FPS Creator may not recognize the FPM file. FPM files are one of the 1205 Developer Files.
When double-clicked in Windows, FPM files may not open because Windows does not recognize the extension. To associate FPM files select “Open with” then “Choose another app” in Windows. Select a program like FPS Creator that can open FPM files.
FPS Creator