Cheat mode
Enter "BBBBBBBB" as a password to unlock all levels and weapons.
Level
Password
2
CCBMMBFO
3
NCBMBCSF
4
FORMNDNG
5
QDBNNDDH
6
FFBNNCLK
7
RFGNPGQL
8
GGMNDKVM
9
SGMCDMLM
10
KKCKPKMN
11
TKCKPCRP
12
KLFKRLGO
13
LMFTGBSC
Sound test
Successfully complete the game and wait for "The End or is it..." to appear after the credits. Press the D-Pad to cycle through the game's music.