Enter the following cheat codes to get the corresponding result:
Invincibility: 1WITHFORCE
Campaign level select: GASMASK
Multi-player level select: FRAGFIESTA
Infinite secondary weapon ammo: CHOSEN1
All FMV sequences: CINEMA
Battle Droid unlocked in Academy Geonosis: ROGERROGER
Padme Amidala unlocked in Academy Geonosis: CORDE
Super Battle Droid unlocked in Academy Geonosis: WAT TAMBOR
Wookie unlocked in Academy Geonosis: FUZZBALL
Three bonus objectives for prior mission: YUB YUB
Programming team photographs: SAYCHEESE