The Legend of Spyro: The Eternal Night Cheats

To get infinite health, pause your game and press the following button combination: Triangle, Triangle, Square, Circle, Square, Circle, Triangle, R1, L1, L2, L2, Triangle, R2. (unverified)

The Legend of Spyro: The Eternal Night Unlockable: Dark Spyro

To unlock the Dark Spyro character, beat all of Story Mode. Then, select Extras from the Main Menu and reload your save file. This will allow you to access "Dragon Challenges". There are five of them, so defeat them all. If you do so, you will then have Dark Spyro to use.

The Legend of Spyro: The Eternal Night Cheat: Infinite Magic

Insert the following cheat while the game is paused to give Spyro infinite magic: Up, Up, Down, Down, Left, Right, Left, Right, L1, R1, L1, R1.