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I-Ninja cheats, hints, guides

GameCube Games Cheat Codes

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Cheat List

Unlock Battle Arena
To Unlock Battle Arena, earn all the Grades, Then you should get the Master Grade. The Battle Arena Will be open at Robot Beach.

Level skip
Press Start to pause game play, then hold R and press Bx3, X. Release R, then hold L and press Yx2. Release L, then hold and press R, Bx2.
Submitted by: Dick

Upgrade sword
Press Start to pause game play, then hold L + R and press X, B, X, Yx2, B, X, B.
Repeat this code three, four, or five times to get Soul Sword.
Submitted by: Dick

Big head mode
Press Start to pause game play, then hold R and press Yx4. Release R, then hold L and press Yx2. Hold R + L, then press Y, X, Y

Mow grass
Where there are grass, flowers, mushrooms, other foliage, objects other than crates and barrels, and certain decorative objects, you can cut them down to earn a few extra points towards your main score. This is useful in the certain levels that require a high score to earn the grade.

xPower-Ups
Whenever you kill an enemy in a rapid succession, the number to the right of the health bar increases by one up to 10. This represents what points you receive for killing an enemy, multiplied by the number displayed. This is useful in certain missions where a high score is required to earn the grade.
Submitted by: Dick

Healing
If you are low on health, try to find some weeds and chop them down. Notice that your Rage Ability switch will gradually increase. Keep chopping down weeds and you will soon be able to use your "Ninja Revive" to heal yourself.

Sword list
Notice that the sword color changes in the your belt changes.

1. Ninja's Sword
2. Golden Sword
3. Jade Sword
4. Sapphire Sword
5. Fire Sword
6. Soul Sword

Get stronger swords
To get stronger swords, you have to kill enemies. Notice that when you complete a mission (at the blue screen with Ninja floating), there is a sword at the bottom of the screen called "Ranx Bank". The sword has numbers that increase with the more "Ranx" that you kill. Also, the more "Ranx" you kill, the sword gets covered in Ranx blood. When the sword is full of Ranx blood, at the "Mission Complete" screen, Ninja will be holding his old sword. He will drop the old sword and a new one will fall into his hands.

I-Ninja

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Complete Current Mission

Pause the game then enter this code.
Hold R and press B,B,B,X release R, Hold L and press Y,Y, release L, hold R and press B,B

Sword Upgrade

During game press start to pause and then enter this code to upgrade your sword.
Hold L+R and press X,B,X,Y,Y,B,X,B

Big Heads

During game press start to pause and then enter this code to get big heads: Hold R and press Y, Y, Y, Y, release R and HOLD L and press Y, Y, now HOLD L+R and press Y, X, Y

Spinning Uppercut & Twirl

When battling the stupid ranks or someone else with your sword you can use the spinning uppercut or twirl. To do the uppercut one keep pressing the B button ( you can only use this one blocking ranxs). When they block rotate the control stick counter clock wise and hit A+X Ninja will use the uppercut and he will be spinning around. This move does extra damage to the ranxs or bosses.   

For the twirl you need 2 or more enemies for this. When hitting the ranxs in the stomach rotate the control stick counter clock wise Ninja will spin with his sword out by his stomach and will hit a ranx or two so there gone faster.

Fly Ninja, and Ninja Ball

Find a guy on the coast of Robot Beach who will say "If you find me, you deserve two tests find him and you spend about 450 coinage
for both tests.

Battle Arena

To unlock the Battle Arena, get all the grades, then you should get the master grade. The Battle Arena will now be open in Robot Beach.

Easy Way

If you are having a hard time beating those minibosses, then here's your help. First, always press left, right, down, or up and x at the same time to dodge that swors throw thingy. Then after he throws his sword and he does not have it go in and keep pressing square.

Don't worry, his sword cannot hurt you.

Getting All Grades

To get all the grades first you finish a level then get the next belt so sensie will let you in. Don't worry the level will be the same but there will be some extra thigs you have to do.

Order of Belts

The order of belts the Ninja will recieve is:
White
Yellow/Gold
Green
Blue
Red
Black
You must earn a certain number of Grades to get the next belt.