Level skip
Enter BARNEY_GRABS_BLUE_TREES as a password, where "_" indicates a space. Pause game play then press X jump to the next level, or press B to jump to the ending.
View credits
Enter HOAGIE_TAKES_COLD_TREES as a password, where "_" indicates a space.
Invincibility
Enter MS_STONE_MAKES_WEIRD_JELLY as a password, where "_" indicates a space.