Wookiepelt : enables the melinium falcon
Goodguytie: enables tie interceptor, must have the melinium falcon, highlight the falcon and press down and select it to uncover the interceptor
Iamdolly : infinite lives
Toughguy: Tech upgrades
Usedaforce: unlocks most of the ships for regular gameplay
Wimpami : unlock regular missions
Oompawampa: unlocks bonus missions
Numbertwo: infinite secondary weapons
Hiken: Hidden secondary weapons
These all work I have tried them.