Underground CD Volume 4.1 Cheats - PlayStation

Toggle music
Press [R1] + [R2] + [Start] at the main menu of Disc 1.

View Grand Theft Auto 2 codes
Press [R1] + [R2] + [L1] + [L2] at the main menu of Disc 1.

View Sled Storm codes
Quickly press [[L1] + [L2], [R1] + [R2]] repeatedly at the main menu of Disc 1.

View WCW Mayhem codes
Hold [L1] + [L2] + [X] at the main menu of Disc 2.

View GameDay 2000 codes
Quickly press [[R1] + [R2], [L1] + [L2]] repeatedly at the main menu of Disc 2.

View NBA Shootout 2000 information
Press [L2], [R2], [L2], [R2], [L2] at the "Bulletins" screen of Disc 1.

View Knockout Kings 2000 information
Press [L2], [R2], [R1]x2 at the "Cool Moves" screen of Disc 1.

View You Don't Know Jack information
Press [L1], [L2]x2, [R2] at the main menu of Disc 2.

View Syphon Filter 2 hints
Enter the following Security Codes.

1: [L2]
2: [Triangle]
3: [L1]
4: "R1
"5: [Square]
6: [R2]
7: [X]
8: [Circle]