How do you activate the cheat in ben 10 power of omnitrix?

To activate cheats in the PlayStation 2 version of Ben 10: Power of the Omnitrix, follow these steps:

- Start a new game.

- At the character selection screen, press Square, Circle, Triangle, Square when selecting a character.

Once the cheats have been enabled, you will have access to the following cheats:

- Unlock All Characters

- Invincibility

- Master Code (Unlocks everything)

- All DNA (Unlocks all aliens)

- Full Boost (All power-ups enabled)

- Infinite Coins

- Infinite Power Orbs

- Play As Max