![File:Commander Keen Goodbye Galaxy - DOS - USA - Apogee.jpg - Video Game Music Preservation Foundation Wiki File:Commander Keen Goodbye Galaxy - DOS - USA - Apogee.jpg - Video Game Music Preservation Foundation Wiki](https://www.vgmpf.com/Wiki/images/6/60/Commander_Keen_Goodbye_Galaxy_-_DOS_-_USA_-_Apogee.jpg)
File:Commander Keen Goodbye Galaxy - DOS - USA - Apogee.jpg - Video Game Music Preservation Foundation Wiki
![Commander Keen 4: The Secret of the Oracle (v1.4) (Micro Star) : ID Software : Free Download, Borrow, and Streaming : Internet Archive Commander Keen 4: The Secret of the Oracle (v1.4) (Micro Star) : ID Software : Free Download, Borrow, and Streaming : Internet Archive](https://archive.org/download/KEEN4-v1.4-microstar/00_Front.jpg)
Commander Keen 4: The Secret of the Oracle (v1.4) (Micro Star) : ID Software : Free Download, Borrow, and Streaming : Internet Archive
![Commander Keen: Goodbye Galaxy! IBM PC Floppy Image : goodolddays.net : Free Download, Borrow, and Streaming : Internet Archive Commander Keen: Goodbye Galaxy! IBM PC Floppy Image : goodolddays.net : Free Download, Borrow, and Streaming : Internet Archive](https://archive.org/download/002638-CommanderKeenGoodbyeGalaxy/00header.png)
Commander Keen: Goodbye Galaxy! IBM PC Floppy Image : goodolddays.net : Free Download, Borrow, and Streaming : Internet Archive
![Commander Keen 4 - Secret of the Oracle : id Software, Inc. : Free Download, Borrow, and Streaming : Internet Archive Commander Keen 4 - Secret of the Oracle : id Software, Inc. : Free Download, Borrow, and Streaming : Internet Archive](https://archive.org/download/msdos_Commander_Keen_4_-_Secret_of_the_Oracle_1991/msdos_Commander_Keen_4_-_Secret_of_the_Oracle_1991.gif)