By default, all software supports multiple file extensions. Commander Keen: Goodbye Galaxy Set supports at least 2 different file extensions. The basic files that Commander Keen: Goodbye Galaxy Set supports are .CK4. However, not all of the extensions listed on the list are always used to save the effects of work in Commander Keen: Goodbye Galaxy Set. Very often, files with such extensions are used as source data files used by Commander Keen: Goodbye Galaxy Set.
Commander Keen: Goodbye Galaxy Set can be used to convert file formats between the file extensions listed below. You can open a file with one of the file extensions below via Commander Keen: Goodbye Galaxy Set and try to save it in another file format, also supported by Commander Keen: Goodbye Galaxy Set.