At the title screen, press Square, Left, Square, Right, Circle, Down, Circle, Up. Then, choose "Sole Survivor" mode in the "Games" menu. Now return to the main menu and start a game.
Enter "JODPEGEA" as a password.
| Level | Password |
| Ziggurat | NAEMMAAB |
| Backstab | MAGDIEAH |
| Fall N Arch | NINKPDME |
| Fugitive | MJKKAMKC |
| Rainbow | JODPIGEH |
| Lavapalooza | ICJABNA |
| Infinite Chamber Time | 800B504E 00B4 |
| Infinite Time P1 | 800B438A 0037 |
| Infinite Time P2 | 800B44F6 0037 |
| Infinite Time P3 | 800B4662 0037 |
| Infinite Time P4 | 800B47CE 0037 |