There was originally meant to be a factory for HK-50 units which the player was to infiltrate and destroy. Content was created for parts of the game, but it was eventually removed due to time constraints. The factory was later restored and made fully playable by fans.
Professional wrestler Tama Tonga (Pate Leone) based his face paint design on Darth Nihilus, who appeared in this game, and on the cover.
This game chronologically takes place five years after the original. The events of the original game are relayed from the player to another character, giving the player the option to base the sequel on either ending the original game offered.
Although many parts have been cut from the final game due to time constraints, they were still embedded in the game files. A team of modders called Deadly Stream was able to recover the missing content, which lead to the creation of the 'The Sith Lords Restored Content Mod'. Included are a variety of story related elements and new missions, such as the droid planet M4-78.
On Onderon there is a conversation with Captain Riiken where he mentions the first Drexl he encountered, to which you can ask him, "What's a Drexl?" This line is a direct quote from Christian Slater in True Romance just before he goes to confront Gary Oldman who plays Drexl.