Star Wars : Jedi Knight : Mysteries of the Sith Jedi Knight : Mysteries of the Sith is the expansion pack for the first - person shooter " " . It was released on February 17 , 1998 . One of the most attractive attributes of the game for fans was the opportunity to play as Mara Jade , one of the most popular " Star Wars " Expanded Universe characters . The game contains fourteen levels spanning a story set in 10 ABY , five years after the events of the original " Jedi Knight " game . Many under - the - hood changes were made for this expansion ; for example , colored lighting support was added to the rendering engine , and the COG scripting language that was also used in " Jedi Knight " was enhanced with new programming capabilities . These upgrades to the game engine were well received by editing communities who made proprietary add - ons for the game . Plot summary . The New Republic base on Altyr V is under attack from two artificial asteroids controlled by the Imperial Remnant . Kyle Katarn steals a " Lambda " - class Shuttle from the Imperial attackers and flies to one of the asteroids . There , he breaks into the control room and redirects the asteroid ' s fire to the other . With the other asteroid destroyed , he circumvents the weapon ' s cooling system , self - destroying the asteroid base , escaping just before the asteroid explodes . While on the artificial asteroid , he finds information on the planet Dromund Kaas , which has some importance to the Empire . He travels to the planet to investigate , leaving Mara Jade to carry out several missions for the New Republic . Mara ' s first mission is to negotiate with Ka ' Pa the Hutt concerning the New Republic ' s supplies . In order for Ka ' Pa to comply , Mara is forced to steal Takara ' s GCT device . While looking for one of Takara ' s lieutenants , Abron Mar , on the Katraasii Spaceport , Mara is trapped by Takara . She is thrown into a prison but manages to break out of her cell and retreat into a series of pipes . The pipes lead to the lair of a rancor kept by the pirate group . Retrieving her lightsaber from behind the cage door , she slays the rancor and escapes with the device . Afterwards , Mara is assigned to a New Republic Corvette guarding a Jedi Holocron . The ship is attacked by Kaerobani ' s pirates . Mara repels the attackers , but the Holocron is stolen . Mara stowes away in a cargo container and infiltrates the pirates ' ship . The ship carries her to Rathalay , where she reclaims the Holocron and escapes . With Kyle having been absent for quite some time , Mara travels to Dromund Kaas to find him . The planet ' s dark side aura leaves Mara ' s weapons useless , except for her lightsaber . Fighting her way through a large swamp , she reaches the Dark Force Temple . There , she encounters Kyle , totally maddened by the dark side . Mara and Kyle duel several times , Mara as the victor . Kyle retreats deeper into the catacombs , finally reaching the temple ' s throne room . Mara pursues Kyle , finally confronting him inside the throne room . Mara then voluntarily turns off her lightsaber and leaves herself open to Kyle ' s attack . Kyle is unable to kill Mara and rejects the dark side . Realizing his mistakes , Kyle let his Force powers atrophy , and then he returned to his mercenary life on behalf of the New Republic with his long time partner , Jan Ors . Behind the scenes . Hidden Bespin level . The game has a hidden level which allows the player to take the role of Luke Skywalker during his visit to Bespin in . The LucasArts web page containing this information was well hidden with no pages linking to the required files . Discovery of this page spread by word of mouth . For some users , the " episode . jk " file downloaded as " episode . txt " ; renaming " episode . txt " to " episode . jk " solved the problem . Aurebesh inscriptions . In two instances , Aurebesh inscriptions can be seen . They are mirror - inverted , denoting all capital letters .