Unlock All Extras - At the Main Menu, press Left, Triangle, Right, Triangle, Down, Circle, X. 

Get Fire Reaver - After pausing the game HOLD R1 and press down, circle, triangle, up, right, circle

Bonus Material - Press the following keys at the title screen: left, triangle, right, triangle, down, circle, X.

Deafeating Dumah - Pull the 3 stakes out of him to bring him back to life. Lure him into the furnace room slowly, if  you move too fast, he will return to his room. Turn on the gas and hit the switch after he is in the furnace room. 

Defeating Zephon - Bring a torch with you. Run up to his bell, and swipe at the hole. He will attack with his leg and  get it stuck, hit his leg. Strike the egg hole to cause more damage. Any time he gets a leg stuck, hit it with the torch. If you hit the egg sack, he will die. You get the scaling walls ability. 

Defeating Rahab - Shoot out the windows. Use the force blast. After he dies, you gain the swimming ability. 

Defeating Kain - Wait for him to materialize, then hit him. He willappear behind you almost every time. You get Soul Reaver when he is finished. 

Defeating Kain - You need Soul Reaver to do damge. The spit forge refills your health. After you hit him, he will go to the next tier, keep hitting him.....until the last tier, one more hit and he's done for. 

Hard Mode - Beat the game once and save the clear data file then load it to unlock "Hard Mode".Your Imagi Cards carry over to this.

Slightly Different Intro - Beat the game once to see a slightly different intro when you load up the game.

Low kick - Hold R1 + L2 + Square when facing an enemy and Raziel will kick them in the leg.

invincibility - When you are in sarafan times, and when you have the fire reaver, go into the sarafan stronghold, and find the physical reaver. there will be a cutscene where moebius finds you and you will pickup the reaver. go out side and fight zephon and melchiah and you can let them hurt as much as they want because you are now invincible.

Easy combat - A simple way to defeat any enemy is to not use any weapon. Raziel is quicker on his feet, and his attacks are faster. It takes about two minutes to defeat the Fire Demon by doing this. Using the Soul Reaver for one or two strikes is not bad. However, make sure to finish it off barehanded to see Raziel go by its head, take hold of the horns, and twist its neck.

Close up of Raziel - Get to a wall, then move the camera in front of Raziel. Hold [Circle] to see a close-up view of his face.

Go through locked door to real Soul Reaver - After the intermission sequence when Raziel gets the Soul Reaver and he gets controlled by it, Mobius will close the door. Defeat everyone down where you had to turn to the different world, then go in the middle of the lock to go through.

Moving through swamp easier - in the swamp, you can get stuck easily in the mucky water. if you have the Air Reaver imbued, you will glide through as if you are walking.

Save health from Raziel's Soul Reaver gauge - If you notice your Soul Reaver gauge is getting high and want to save your health from it, switch to the Spectral Realm. It will deplete almost instantly.

Blocked door - Position yourself slightly to the left of any door that has a handle. Try to open it and it will, but you will not go through.

Lost weapon - Get a weapon and get to a place where there is no roof, or to the lake. Aim the weapon at the sky and throw it. It will not come back down.

Game Shark Codes:

(M) Must Be On 
EC8D06281440C244 

Flying Raziel Hold the jump button (X) to make Raziel fly, release X to allow him to fall. 
0CB14DE81456700C   1CB153B0D6FFC020 

Press L3 to become Invincible You'll need to deactivate Invincibility the first time you enter the Spectral Realm. Once youve regained your health in the Spectral Realm, and are able to shift back to the Physical Realm, reactivate Invincibility. Once this is done, youll be able to shift back and forth without any trouble. 
0CB14DE81456B00A  4CB63DFC1456E7A5 

Press R3 to turn off Invincible You'll need to deactivate Invincibility the first time you enter the Spectral Realm. Once youve regained your health in the Spectral Realm, and are able to shift back to the Physical Realm, reactivate Invincibility. Once this is done, youll be able to shift back and forth without any trouble. 
0CB14DE81456B010  4CB63DFC1456DFA5 

Reaver Modifier Codes The Reaver Modifier codes CAN cause problems if activated too early on in the game. Some cinemas will lock up if you activate certain Reavers BEFORE you activate the forges!! If you've already activated all of the forges, they'll work fine. 

(Using these codes will also activate the Elemental Fonts found throughout the game, even if the forges are NOT active.) 

Now Raziel can use the Fire, Wind, Dark and Light Reavers in the spectral realm as well as the Physical Realm! 
Press L1 + D-Pad Up to Activate the Dark Reaver 
[SEE ABOVE NOTE] 
0CB14DE81456ACFC 4CB39F901456D7A5 0CB14DF41456ACFC 4CB39F901456D7A5 
Press L1 + D-Pad Right to Activate the Light Reaver 
[SEE ABOVE NOTE] 
0CB14DE81456ACEC  4CB39F90145607A5  0CB14DF41456ACEC  4CB39F90145607A5 

Press L1 + D-Pad Down to Activate the Wind Reaver 
[SEE ABOVE NOTE] 
0CB14DE81456AC4C  4CB39F90145627A5  0CB14DF41456AC4C  4CB39F90145627A5 

Press L1 + D-Pad Left to Activate the Fire Reaver 
[SEE ABOVE NOTE] 
0CB14DE81456AC8C  4CB39F90145667A5  0CB14DF41456AC8C  4CB39F90145667A5 

Matrix Jumps When Raziel Jumps, he'll freeze at the top of his jump, "Matrix Style". Tap jump several times to return to the ground.
The "Flying Raziel" Code WILL NOT work with this code active.