Everyone loves unlockable characters, and Lego Star Wars has plenty to offer. To use these cheat codes, enter Dexter's Diner and enter "Codes". There are four battle droids you can unlock. For the regular Battle Droid, enter 987UYR. To get the Battle Droid Commander use EN11K5 or use the Battle Droid Geonosis with LK42U6. The Battle Droid Security can be unlocked with the code KF999A.
There are a number of clones as well. The available clones, with their codes in parenthesis after their name, are the regular Clone (F8B4L6), Clone Episode III (ER33JN), Clone Episode III Pilot (BHU72T), Clone Episode III Swamp (N3T6P8), and Clone Episode III Walker (RS6E25). You can also unlock the Disguised Clone (VR832U) and three droids, the Gonk Droid (U63B2A), the Super Battle Droid (XZNR21), and the PK Droid (R840JU).
Of course, no Star Wars game would be complete without a collection of our favorite characters. You can unlock Boba Fett (LA811Y), Count Dooku (14PGMN), Darth Maul (H35TUX), Darth Sidious (A32CAM), General Grievous (SF321Y), and Jango Fett (PL47NH). But the game doesn't stop there. It goes on to include other unlockable characters Droideka (DH382U), Geonosian (19D7NB), Grievous' Bodyguard (ZTY392), Ki-Adi Hundi (DP55MV), Kit Fisto (CBR954), Luminara (A725X4), Mace Windu Episode III (MS952L), and Shaak Ti (EUW862).
Finally, you can play as some of your favorite characters from Star Wars. Play as Padme (92UJ7D), the Rebel Trooper (L54YUK), and the Royal Guard (PP43JX). Last but not least, even Princess Leia can be unlocked after entering the code (BEQ82H).