Story mode level: Through the Jundland Wastes (IV-2)
Hunter needed: IG-88 or 4-LOM
Time: 45 seconds
Studs: 20,250
You will be inside the Jawa Sandcrawler. There will be Sandtroopers inside as enemies. Watch out for the Jawas, as they can stun your droid hunters and leave them temporarily imoblie.
Ignore the first Threepio panel, and continue down the hall until you reach a separate room where you will find an Artoo panel. Activate it to open to door, and go through. After going through, switch to a non-droid character. Run over the 4 circular panels on the floor on each side of the room, revealing 2 levers. Pull the levers at about the same time (you pull one, and a CPU will pull the other) to open the door. Switch to a droid again, and go to the end of the new room and activate the Threepio panel. To your right in the final room in the Sandcrawler are 3 canisters to shoot. Behind them lies Ben Kenobi (The mission is titled as Obi-Wan Kenobi, but you are actually looking for Old Ben).