Rayman Advance [GBA]

Have 99 Lives
Pause the game and press Left, Right, Down, Right, Left, R

Have all items
Pause the game and press R, Up, Left, Right, Left, L

Have every power
Pause the game and press Down, Left, Right, Left, Up, L

Invincible
Pause the game and press Right, Up, Right, Left, Right, R

In Candy Chateau Stage 2, Evil Rayman first appears by collecting the spark in front of you when you start. Back off when you begin, than run, jump, and helicopter over the spark. Make sure don't touch it. Now you can make your away through the level without Evil Rayman!

Restore Health
While playing press start. Then press L button,down,left,up,down then R button

Unlimited Continues
When you run out of lives and the Continue screen comes up, press UP DOWN RIGHT LEFT. Now press start to continue (you must have at least 1 continue left for this to work), look at the number near the clock and you'll see that you didn't lose a single continue!
Note: Only works when you have three or fewer continues.

Unlock all levels
Pause the game and press Up, Left, Right, Down, Right, L
The levels circles won't be visible but you can get to them.

Get 25 Blue Tings
To get 25 Blue Tings pause the game, preass R, up, left, right, left, L. When you resume the game you will have 25 aditional Blue Tings

All Electoons
Highlight any level on the map screen. Instead of pressing ''A'' to play, press Select, B, and R together twice. You should now have all the electoons in that level.