Free Flight Zone
Press P during game play and enter the options menu. Highlight the "Resume Game" option and press B, A, C, A, B, A, LS, LS + RS, X(2). A screen with a small skull will appear to confirm correct code entry. Press LS, A, B, LS, A, B, X(3). The Free Flight Zone is an Ice World that is of unlimited length with no opponents. It can be used to practice flying skills.
Level select
Highlight the "Quit/Preview" option at the main menu. Then, hold X and press B, LS, A. Release X, then press B, LS, A, B, LS, A.
Ninety-nine lives
Press P during game play and enter the options menu. Highlight the "Resume Game" option and press B, A, C, A, B, A, LS, LS + RS, X(2). A screen with a small skull will appear to confirm correct code entry. Press P. A large skull will appear. The, press A(2), B(2), C(2), LS(2), RS(2), P.