Commander Keen in Goodbye, Galaxy!: The Armageddon Machine
After completing the mission in episode one, Keen learns of the Shikadi's enormous ship, which doubles as the largest weapon ever built. So in episode two, titled "The Armageddon Machine", Keen faces his greatest challenge yet - to save the Galaxy!
- Developer: id Software
- Publisher: Apogee Software
- Released: 1991-12-18
- Genres: Shooter, Platform