Enter these as passcodes.

DROIDEKA  Advanced Shields
NASTYMDE  Expert Mode
RUAGIRL?  Pink Ship
KOOLSTUF  Unlock showroom art NOTE: The music is not unlocked with this code.
LOVEHUTT  View Development team
PATHETIC  This gives you infinite lives
EWERDEAD  One hit kills
OVERLOAD  Maximum stats
LEC&FIVE  Unlocks Trade Federation secret level.
NOT&DEAD  Gives you tougher shields.
WAKEUP    Unlock concert hall.
ADEGAN    Gives you upgraded lasers
MEMEME    Show credits
TALKTOME  Makes Games have Audio commentary like a DVD Directors commentary Track VERY COOL!!!
CANTMISS  Homing missiles for speeders and the infiltrator
?NUNAPWR  Advanced missiles
JHGNRGAS  Unlock infilirator bonus plus all levels 
FRMRYLDAD Unlock dark side bonus level 
NIZWAGAO  Unlock all Naboo ships 
UYCZNCAX  Double Secondary weapon 
DRJEKYLL  Sea Sick mode 
ABVUSEAY  Unlock heatseeking missile: 
RQORACAQ  Unlock AAT: 
FRBPTDAY  Unlock Sith Infinirator: 
XFIIYBAY  Unlock Swamp Speeder: 
NASTYMDE  Extra Hard Mode: 

Medals Indications:
After each level, you get a medal based on how well you
did. Here's what the medals unlock.
-all bronze-hidden stage one TRADE FEDERATION SECRETS
-all silver-hidden stage two CORUSCANT ENCOUNTER
-all gold-hidden stage three THE DARK SIDE, sith infiltrator is unlocked
-all platinum- aat and swamp speeder are unlocked

GameShark Codes

Have all Platinum Medals
50000BO1 0000
8004C63D 0004
50000701 0000
8004C649 0004

ALL levels
8004C650 0013
8004C650 0013

Thanks to Revolution readers Eric Jhonson, Alex Bochicchio, BlakKlaatu, Aynonomus, Sean Rominger, Robert Poole, joe carnevale, Daniel Wood and Jason Holley!