Due to Ryloth's unusual rotation, the planet had two regions, one half of the planet was in constant daylight and the other in permanent night, known as the Nightlands.
- Star Wars: The Old Republic (Mentioned only)
- Star Wars: Racer Revenge
- Death Star (First identified as Darkside)
- Young Jedi Knights: Jedi Bounty (First appearance)
- Young Jedi Knights: The Emperor's Plague
- Star Wars: Empire at War (Indirect mention only)
- Star Wars: Empire at War: Forces of Corruption (Indirect mention only)