against a vehicle or elite enemy. The Nintendo DS version also exclusively adds extra 3D space battle levels that require the player to shoot down a series of targets or enemies. As with the PlayStation 2 and Xbox versions, players are given a chance to upgrade their character's attacks and abilities, unlock new abilities and improve their stats after completing a level. Players purchase upgrades with "customization points", which are found during a level, collected from destroying small portions of the scenery or earned by finishing the level at a quicker pace or with good combat efficiency. Players must deflect all blaster bolts manually by pressing a button, while well-timed presses can allow the player to deflect them straight back. The Game Boy Advance version of the game allows two players to link up and participate in exclusive co-op missions as Anakin and Obi-Wan, or have the two of them fight off endless waves of enemies and see who can survive the longest. The Nintendo DS version exclusively features 3D multiplayer space battles that take advantage of the DS' graphical capabilities and allow players to pilot and battle with iconic vehicles from both the prequel and original eras of Star Wars, such as the Millennium Falcon. Plot Anakin Skywalker and Obi-Wan Kenobi arrive on board the Invisible Hand, the Separatist flagship of General Grievous, who has kidnapped Supreme Chancellor Palpatine above Coruscant. After battling droids in the main hangar bay and while ascending the elevators, the duo arrive at the general's quarters, where Palpatine is being held. However, the two are then confronted by Grievous' master Count Dooku and in the ensuing duel, Obi-Wan is knocked out and Anakin, in violation of Jedi teachings, brutally kills Dooku by running him through with his lightsaber. The pair then escape with Palpatine but are recaptured and brought before Grievous on the ship's bridge. They escape as the badly damaged ship capsizes in orbit and fight off Grievous' bodyguards while the general escapes. Anakin manages to save everyone by crashing the ship on Coruscant. Obi-Wan journeys to Utapau in search of Grievous and confronts him after he dispatches the Separatist council to the planet of Mustafar for safety. Obi-Wan then duels Grievous as Republic Army clones invade and battle the droids. Grievous reaches the launch platform where his ship is situated, but Obi-Wan impales and kills him. Meanwhile, on Coruscant, Anakin discovers Jedi