Pause the game and highlight the "Sound FX" option on the menu. Then, press X, Triangle(2), Circle, X, Triangle(2),Circle, Square(2), X. If you entered the code correctly, you will hear a sound.
Pause the game and highlight the "Sound FX" option on the menu. Then, press Square, Circle(2), Triangle, X(2), Circle, Square(2), Triangle, Square. If you entered the code correctly, you will hear a sound.
Pause the game and highlight the "Sound FX" option on the menu. Then, press X, Triangle(2), Circle, X, Triangle(2), Circle, Square, Circle, X. If you entered the code correctly, you will hear a sound.
Pause the game and highlight the "Sound FX" option on the menu. Then, press Triangle, X, Circle, Square, X, Square, Circle, Triangle, X, Square, Circle. If you entered the code correctly, you will hear a sound.
Pause the game and highlight the "Sound FX" option on the menu. Then, press Triangle, Circle, Triangle, X, Square, X, Circle, Square, Triangle, X, Square. If you entered the code correctly, you will hear a sound.
Pause the game and highlight the "Sound FX" option on the menu. Then, press Square, X, Circle, Triangle, Circle, X, Square, Triangle, Circle, Triangle, Square. If you entered the code correctly, you will hear a sound.
Pause the game and highlight the "Sound FX" option on the menu. Then, press Triangle, Square, Circle, X, Triangle, Circle, Square, X, Triangle, Square, Triangle. If you entered the code correctly, you will hear a sound.
Pause the game and highlight the "Sound FX" option on the menu. Then, press Triangle(2), Square, Circle, X, Triangle, Circle, Square(3), X. You will hear a sound if you entered the code correctly. The red bar at the top of the screen should shorten, allowing more time to explore the game for hidden bonuses and rooms.
Pause the game and highlight the "Sound FX" option on the menu. Then, press X, Square, X, Triangle, Circle, Square, X, Circle, X, Triangle(2). If you entered the code correctly, you will hear a sound.
Pause the game and highlight the "Sound FX" option on the menu. Then, press Circle, X, Triangle, Circle, Square, Circle, X, Square, Triangle, Circle, Square. If you entered the code correctly, you will hear a sound.
| Password | What It Does |
| ACTIVATE | Ninety-Nine Blue Time Chips |
| COMMANDO | Secret Level |
| DHTKARIZ | Level 2 |
| ZMZZUJKJ | Level 3 |
| PFXMNHHR | Level 4 |
| CBKWSYMY | Level 5 |
| IETDIMGV | Level 6 |
| WTZVUGBX | Level 7 |
| Infinite Energy | 80097982 001F |
| Infinite Lives | 800979A0 0302 |
| Infinite Blue Chips | 800A43BC 0063 |
| Infinite Virus Energy | 80091C84 57E4 |
| Always Have 4 Batteries | 800979A0 0004 |
