Avatar: The Last Airbender - The Burning Earth Codes -

Cheat Codes
Click the left arrow on main menu, select "Cheat Entry" and enter one of the following codes:

99801 - All Bonus Games
85061 - All Gallery Items
90210 - Double Damage
65049 - Infinite Life
66206 - Infinite Special Attacks
89121 - Max Level
28260 - One-Hit Dishonor

Achievements
Complete each achievement to get the allotted gamerscore:

One with Combat (300) - Achieve a Hit Counter of 50.
The Art of Combat (200) - Achieve a Hit Counter of 40.
The Flow of Combat I (150) - Achieve a Hit Counter of 10.
The Flow of Combat II (150) - Achieve a Hit Counter of 20.
The Flow of Combat III (200) - Achieve a Hit Counter of 30.