There are a lot of cheat codes that I'd doubt it would all fit on this answering box. But here's my advice: Google-search "star wars the clone wars lightsaber duels cheat codes" and it will give you several links.
Its on http://www.lego.com in the star wars section. There are four or five duels in the Anamated Clonewars episodes
yes.
u have to beat alot of the game i dont know if there is a cheat for that but there are cheats you just go to extras menu and put cheats:)
To get Mace Windu you have to beat 18 challenges.
you go to the extras menu and then you go to cheats hope this helped :)
In order to unlock Plo Koon, you must complete 27 challenges (which are in Challenge Mode)
Yes there is. I believe that the story mode is actually called "campaign." Hope this helps.
All you have to do is beat 18 challenges! Commander Cody is awesome! P.s I think your name is Fred!
In "Star Wars: The Clone Wars - Lightsaber Duels" for the Wii, Darth Sidious is not a playable character that can be unlocked through normal gameplay or cheat codes. He only appears as a boss character in specific levels of the game.
complete 27 challenges to unlock Plo Koon
If by Jedi Hunter droid, you mean the droid that was seen in the video game Lightsaber Duels, he does not appear in any episodes. He was made only for the game