RTX Red Rock cheats and cheat codes for Playstation 2

Go to the options screen, and select "Codes" after enter any 
of the following codes bellow. A message will appear if the 
game accepted the code.

If you have a progressive screen TV:
RIGHT, UP, RIGHT, RIGHT, UP, RIGHT, RIGHT, RIGHT, UP, RIGHT.  
WARNING: If the screen turns blue you do not have a progressive 
scan TV and you will HAVE TO REBOOT THE PS2 to get it back to normal.

Level Select:
Down, Left, Left, Down, Left, Down, Right, Down, Left, Down
Hold R1 at the main menu to select level. 

Extra Special Features:
Left, Down, Up, Left, Right, Up, Down, Left, Right, Down

Bonus Items:
Right, Right, Right, Right, Right, Left, Left, Left, Up, Up

Better Weapons:
Right, Up, Down, Down, Up, Right, Right, Up, Down, Down

Unlock Easy Mode:
Up, Down, Down, Down, Down, Down, Down, Down, Down, Up

Unlock Normal Mode:
Up, Down, Up, Down, Up, Down, Up, Down, Up, Down

Unlock Hard mode
Down, Up, Up, Up, Up, Up, Up, Up, Up, Down.