Code Lyoko - Platform: Nintendo DS

Internet Codes:
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By completing the block puzzles found in the Hacking mode, you will earn 15 
different codes that can be used to unlock various videos and artwork at the 
website: www.codelyoko.com

Code - Effect
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9L8Q - Dark Enemies Wallpaper 
6G7T - Desert Sketch 
4M9P - Fight Video (Ulrich, Yumi and Scorpion combined) 
5R5K - FMV Ending 
8C3X - Forest Sketch 
2F6U - Ice Sketch 
7E5V - Mountain Sketch 
3Q4L - Overbike (video) 
8P3M - Overboard (video) 
8N2N - Overwing (video) 
9H8S - Scorpion Video 
3D4W - Scorpion Wallpaper 
5J9R - Sector 5 Sketch 
9A9Z - Ulrich (fight video) 
4B2Y - Yumi (fight video) 

Evil Ulrich:
------------
In the profile selection screen, hold R and L buttons and press Up, Left, right, 
Y and X. 

Bonuses:
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In the 3D game section, press Start to enter the pause menu and press Up, Up, 
Down, Down, Left, Right, Left, Right, B, A, Start. you will unlock Combos, 
Upgrades, Money, Health and Power. 

Defense strategy:
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When playing as any character with a defense upgrade (besides Aellita), it is 
easy to face any monster. When the monsters appear, hold your shield and watch 
their attack pattern. When the monster you want to hit is going to shoot you, 
release and press B. When the bullet hits, it will rebound. If the monster does 
not react, you may need to get closer. Continue doing this until all monsters 
die. 
Note: This does not work with any Boss.