Recording of a campaign from Command and Conquer 3: Kane's Wrath, a real-time strategy game; saves the entire gameplay from a campaign so that it can be played back at a later time; typically saved as "filename.KWReplay."
Program(s) that open kwreplay files
Windows: Electronic Arts Command & Conquer 3: Kane's Wrath
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/kwreplay
