These all activate in your start menu. They're not really cheats, just sort of fun bonus things to do.

hint 100 - have to redo with free play with various characters to get things

hint 100 - defeat enemy character in level - can buy it here

hint 100 - astromechs droids can hover

hint 100 - black lego objects - can be used by dark force characters

hint 100 - free mode can play with any unlocked character

hint 100 - to take other characters into free play tag them in cantina and go into level

hint 100 - fill up jedi meter to get gold brick. more gold bricks, more levels unlock

hint 100 - true jedi meter top of each level. fill with lego studs

hint 100 - shiny metallic objects can be destroyed with bounty hunter thermal detonators

Lego Star Wars 2 Walkthrough