Shadow of the Colossus cheats and cheat codes for Playstation 2

Unlock Dormin
Beat all 16 Colossi

Reminisce mode
Go to the corpse of the Colossi and press Circle to pray. 

Unlock Hard mode and Time Attack mode
Finish the game once

Brown Horse:
Beat all 16 Colossi and get all the items in Normal Time Attack mode. 
Then hold down Square button at title screen.

White Horse
Beat all 16 Colossi and get all the items in Hard Time Attack mode. 
Then hold down Square button at title screen.

Ride a hawk, bird, lizard or eel:
Get behind one of those creatures, then press R1. 

Quick gallop stop:
Press Left Analog-stick Down + X. 

Gallop turn:
Press Left Analog-stick Down + X, Left Analog-stick Down + X. 

Standing gallop:
Hold R1 + X. 

Alternate ending sequence:
Reduce your HP as much as you can. You can do this if you eat fruit from 
the Secret Garden. Let Dormin die by the shot of the crossbow, and you 
will see a  diferend ending.

Colossus Coordinates:
B-4
C-2
D-1
D-3
D-6
E-2
E-6
F-1
F-3
F-5
F-8
G-1
G-2
G-5
G-6
H-4