Wacky duels. Another great thing you can add to your campaigns to spice them up (no pun intended). Hey, it's a fictional universe. You can have anything be an accepted form of duelling. Some suggestions:

• A moustache growing contest.
• Sock darning.
• Pillow fight. First one to fall off the elephant loses.
• Banana juggling.
• Interior decorating on a budget.
• Factorising large numbers.

Transcript

Count Dookû: Ah cannot believe Ah agreed to zis.
Yoda: I lift that tank over there.
Count Dookû: Ah can do zat too. Voilà. Is zat ze best you can do?
Yoda: I lift the entire planet!
GM: Um... how?
Yoda: I Force Push up on the ceiling!
GM: The ceiling crumbles under the pressure and bits of rock fall down. You can't lift the planet like that.
[SFX]: Krack!
Padmé: Actually, if rocks fall down, the rest of the planet does move up. Conservation of momentum.
Yoda: I win! The plans, Dookû, give them to me.
Count Dookû: No. You cheated.
Yoda: Did not!
R2-D2: Have I made it back through the factory to pick up Padmé yet?
GM: And speaking of cheating...
R2-D2: ... Forget I asked.