Commander Keen in Goodbye, Galaxy!: Secret of the Oracle
In episode one of the fourth episode of the Commander Keen series, "Secret of the Oracle", Keen rockets to an alien planet to rescue the Keepers of the Oracle, who are the only ones capable of helping Keen find out more about the Shikadi.
- Developer: id Software
- Publisher: Apogee Software
- Released: 1991-11-22
- Genres: Platform