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.FPM File Extension

File Type	FPS Creator Map File
File Format	File
Common?	No
File Description	Game level created with FPS Creator (FPSC), a first-person shooter (FPS) game development program; includes a 3D layout of the level, objects, textures, lighting, etc; created and edited using the FPS Creator Map Editor.
Program(s) that open fpm files	Windows: The Game Creators FPS Creator

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/fpm