Exclusive PoP: The Sands of Time Codes Inside!

Here are some codes and cheats for Prince of Persia: The Sands of Time across different platforms:

Unlocking Original Prince of Persia

PS2, Xbox, GameCube: After obtaining the second sword, continue until you reach a switch in an ancient ruins. Rotate the switch 180°, break the wall behind it, and you'll unlock the original Prince of Persia. On Xbox, this unlocks Prince of Persia 2 instead.
PC and HD Versions: The original Prince of Persia is unlocked by completing the game.

Unlocking 3D Prince of Persia Level

PS2: Start a new game, stay on the balcony, hold L3, and input X, Square, Triangle, O, Triangle, X, Square, O.
Xbox: Start a new game, stay on the balcony, press in the left analog stick, then input A, X, Y, B, Y, A, X, B.
GameCube: Insert controllers into ports 1 and 4. Hold B on controller 4 and input A, B, Y, X, Y, A, B, X on controller 1.
PC: Hold X and input Space, Left Mouse Button, E, C, E, Space, Left Mouse Button, C.

Classic Passwords for Original Prince of Persia

Here are some level passwords for the classic Prince of Persia game:

Level 2: KIEJSC
Level 3: VNNNPC
Level 4: IYVPTC
Level 5: RWSWWC
Level 6: GONWUC
Level 7: DEFNUC
Level 8: SVZMSC
Level 9: DBJRPC
Level 10: MZFYSC
Level 11: BRAYQC
Level 12: UUGTPC.

GameBoy Advance Codes

For the GameBoy Advance version, you can use a CodeBreaker device to input cheats like unlimited health and sands of time. Here are a few examples:

Unlimited HP: 33007772 0084
Unlimited Sands of Time: 33007771 0080
Max Strength, HP & Defense: 330077C8 0003.

Other Cheats

Regenerate Health: Connect a GameBoy Advance with its version of Prince of Persia to a console using a link cable to regenerate health.
Infinite Health and Other Cheats: Various Action Replay codes are available for the GameCube version, including infinite health and speed boosts.