After you have bought all the Bounty Hunters in Lego Stars II: The Original Trilogy, you will be able to play through the bounty hunter missions. The Bounty Hunters are 4-LOM, Boba Fett, Bossk, Dengar, Greedo, and IG-88. You will use these Bounty Hunters to find different characters from the game.
Run to grapple point on the right. Grapple your way to the top platform. Build bridge blocks and the bridge will extend. Go across the bridge. Run through white door. Turn right. Open Bounty Hunter door. Go through door and run straight down the hall. Go up both ramps to make building blocks explode. Build door entrance and go inside to retrieve R2-D2.
Play a non-Droid Bounty Hunter and kill off the Jawas as you run to the elevator because the Jawas will zap the Droid Bounty Hunters. Use a Droid B.H. to open elevator. Go up. Run across floor buttons and open the door using a non-Droid B.H. Shoot Jawas. Open the C-3PO door using Droid B.H. Go into room, turn right, blow up canisters, and enter the doorway to get Obi-Wan.
Go up the first grapple point. Run straight across to the other side. Run towards the large gray door. Bomb the door open and run through it. Turn left and run to the first set of brown doors on the left. Blow open. Chewbacca is inside.
Run across bridge and build push lever. Push lever until the bridge faces the grapple point. Run across, grapple up, up, over, and down to the door. Enter door. Go through Stormtrooper door and run to the end of the walkway. Go into second elevator. Build and pull levers. Go down hallway and open third door on left to find Leia.
Use a Droid B.H. to open C-3PO door. Go inside and bomb the debris blocking the hall. Enter room and build the console in middle of room. The tube beside it opens revealing Admiral Ackbar.
Go left. Build bridge levers. Cross bridge, go left, and shoot the gray and purple canisters. Build the push lever and push it until the platform across the way rises up. Use Boba Fett to fly to platform. Yoda is at the top.
Run straight ahead and go up stairs. Open B.H. door and go through it. Go straight to C-3PO door. Open it. Go through door and turn left. Go in first elevator on left. C-3PO is at the top.
Build grapple point and grapple across. Turn right and grapple up. Turn right again and continue to run until you reach the C-3PO door. Open door. Run down hallway, turn right, and run through the poisonous smoke with a Droid B.H. Turn left and follow hallway until you reach Lando.
Move forward and turn left. A small silver tower will be in front of you. Bomb it. Build the push lever. Push the green side until it cannot move any further. Blocks for the grapple point will come down. Build grapple point and go up to find Luke.
Go to door on right. Build the door bomb. Go through door and to the next door. Build heater and shoot 3 times to melt door. Go through to next door. Push heater in front of door. Go through. Run up path and turn right. Blow up canisters. Build cart and hop on it. Han Solo is in the alcove above.
If you're looking for more lightsaber fun, check out Lego Star Wars I: The Video Game.