Gotcha force Cheats for GameCube

Unlock Original And Alternate G-Reds:
To unlock a G-Red beat the game 3 times (you will still have your Neo
G-Red).
To unlock a Blue G Red beat the game 4 times.
To unlock a Crystal G-Red beat the game 5 times.
To unlock a Silver G-Red beat the game 6 times.
To unlock a Silhouette G Red beat the game 8 times.
To unlock a Shadow Neo G Red beat the game 9 times.
Unlock Special Option:
Unlock the Special option by beating the game twice. You will then be able to play in any Story mode battle.

To get the sword with G-Red you need to beat the electric dragon and dark knight.
An easy way to beat the dragon is if you have vampire knight get under the dragon and press X over and over.
If you don't have a vampire knight you can use a samuria get behind him and press B over and over.
When you beat the level and get the sword and your X attack is powered up.
That's how you get a sword.