Level select:
Enter R Testers ROCK (case-sensitive) as a name. Alternatively, enter the following code at the level selection screen. Hold R + U for one second. Hold N + O for one second. Press T two times. Press W + I for one second. Press T + H for one second. Press X + I for one second. Press Z + O for one second. Press R + S for one second.
View ending sequence:
Enter a [Space] character followed by Credits (case-sensitive) as a name, then begin game play on the Hoth level.
In-game map:
Hold [Crouch] for approximately fifteen seconds while playing on foot.
Shield:
Hold C for approximately five seconds while playing on foot.
Fly other ships:
Hold C for approximately five seconds while flying the Outrider during the Skyhook Battle level to fly an X-wing. Hold C for approximately five seconds again to fly a TIE fighter. Hold C for approximately five seconds again to return to the Outrider.
Max cameo:
Leave Mos Eisley and enter the Dune Sea, then make a ninety degree left turn. Keep moving forward to reach a small square with Max from the LucasArts game “Sam And Max Hit The Road”.