.CPN File Extension
File TypeAge of Mythology Campaign File
This file is saved in a binary format, which requires a specific program to read its contents.
What is a CPN file?
Game campaign used by Age of Mythology, a real-time strategy game where players build kingdoms and control armies; contains one or more .SCN scenario files; also includes scenario descriptions, the campaign name and version, and the total number of scenarios included; can be used to store custom campaigns.
NOTE: CPN files are also used by Microsoft Age of Empires and Age of Empires II.