Underground CD Volume 2.3 Codes -

View Forsaken codes:
Press Triangle, Square, Triangle, Square at the main menu of Disc 1.

View C: The Contra Adventure codes:
Press Square, Circle, Square, Circle at the main menu of Disc 1.

Turbo Prop Racing FMV sequence:
Press Triangle, Circle, Triangle, Circle at the main menu of Disc 2.

FMV of Soul Asylum singing "I Will Still Be Laughing" live:
Press Square, Circle, Square, Circle at the main menu of Disc 2.

SCEE story:
Press Triangle, Circle, Triangle at the main menu of Disc 2.