Unlimited health:

Hold L1 + L2 + R1 + R2 and press Up,
Right, Down, Left, Up, Left,
Down, Right at the "Press Start" screen.
A message will appear to confirm correct code entry. Note: In
the PAL version, enter the code while game play is paused.

Unlimited combo meter:

Hold L1 + L2 + R1 + R2 and press Left,
Right, Up, Down, Right, Left,
Down, Up at the "Press Start" screen.
A message will appear to confirm correct code entry. Note: In
the PAL version, enter the code while game play is paused.

All upgrades:

Hold L1 + L2 + R1 + R2 and press Up(2),
Left(2), Right(2), Down(2) at the "Press
Start" screen. A message will appear to confirm correct code
entry. Note: In the PAL version, enter the code while game play
is paused.

All bonuses:

Hold L1 + L2 + R1 + R2 and press Down,
Up, Down, Up, Left, Right,
Left, Right at the "Press Start" screen.
A message will appear to confirm correct code entry. Note: In
the PAL version, enter the code while game play is paused.

Dark Knight difficulty setting:

Hold L1 + L2 + R1 + R2 and press Down,
Left, Right, Up(2), Right, Left,
Down at the "Press Start" screen. A message will
appear to confirm correct code entry. Note: In the PAL version,
enter the code while game play is paused.

Making Of Sin Tzu:

Defeat Sin Tzu at the end of the game.



Alternate costume:

Successfully complete the game under the easy difficulty setting.



Hint: Defeating Scarecrow:

Scarecrow is a master of fear, and can create a chemical to heighten
it. Actually, in this battle, he has very few attacks. You start
off in a gas-filled room. You will see ghost-like things flying
around. ONe hit will kill them. Look at the blue gas surrounding
the room. Notice that the gas seems to part in some areas, and
you can hear footsteps. Run around, rolling where the gas clears.
If you are lucky, Scarecrow (who was invisible), will appear.
Then, beat him up and repeat.
Scarecrow is fairly easy, because he rarely attacks. To start
off, look down at the floor. It is covered with some sort of blue
gas. The trick to defeating him is as follows. First, avoid or
destroy all of the ghosts flying around. Notice how the gas seems
to part in certain areas (byt not your own). This is Scarecrow
walking. Roll into him. He is invisible, and this lets you see
and beat him up. After awhile, he turns invisible again. Repeat
the steps until he is defeated.



Hint: Defeating Clayface:

This Boss is made of clay, and can be difficult. He has several
attacks. If you get too close, he makes a brick wall out of his
chest then rams it at you. He also can turn his arms into sledge
hammers of razor blades and lunge at you. The trick here is to
dodge until the lights turn green on the pipe-like electricity
things on either side. Then, throw a Batarang at both as fast
as you can, or hit them. The electricity will activate, and Clayface
will get shocked. Go up and attack him. When he gets back, run
to the far side. He will probably launch some kind of muck thing
at you, which produce more muck monsters. Beat them up, then repeat
step two. After a few hits of electricity, dodging the attacks,
you will win.
Clayface can shoot muck which spawns little muck monsters, turn
his arms into sledgehammers/razor blades, or ram you with a brick
wall if you get too close. The trick is in the two electric outposts-like
things on either side. Dodge until they turn green. Then, quickly
hit each with a Batarang or your fists. This will turn on the
electricity. He will be stunned. Hit Clayface's face and repeat
this until he is defeated.


Hint: Defeating Bane:
Bane is very strong, but lacks IQ. Unfortunately, he
starts off invincible to your attacks. Stand back and wait for
him to charge. Dodge, and he will be off balance. Then, beat him
up. He will do the same, except now you have to make him run into
a wall, hitting him. Unfortunately, this causes rocks to fall
from the ceiling. Dodge them. Also, he will start using some kind
of earthquake attack -- stay back if he is not advancing on you.
After you beat him up, he will heal. Repeat the previous steps. Bane starts off invincible to any attack. Avoid him until he rams
you. Dodge him to put him off balance, then strike. Afterwards,
you must make him ram into a wall. After beating him up, he will
stomp to make strange boulders fall from the ceiling. After those
attacks are dodged, repeat. After you knock out his health, he
returns stronger. Repeat the previous steps to defeat him.


Hint: Defeating Sin Tzu:
Sin Tzu is immune to non-special attacks, and is very
fast and powerful. Start by watching him run around. He will go
into a series of four rushes. Dodge all four of them, and he will
backflip. Hit him then. Repeat, but do not stay around to long,
until you get a full power meter. When he backflips, hit him with
a power attack. Do this for awhile. He will then run into his
tower and summon enemies. Beat them up. Meanwhile he will be recovering
health and shooting fire at you. After defeating his allies, get
your power meter back up and repeat the previous steps. He will
now occasionally go into a super-nova attack. Block it at all
costs and repeat until he is defeated. Sin Tzu is blindingly fast, amazingly strong, and invincible to
any non-Power Attack. Start by letting him run at you. He will
do a four-hit dash. Dodge all times and he will do a backflip.
Hit him. Repeat this until your Power Meter is full. Then when
he backflips, hit him hard. After a few attacks, he will jump
into his tower. He will summon units, regain health, and shoot
fire at you. After you defeat the enemies, he will stop healing
and fight you. This part is all the same, except he will occasionally
move to the room's center and do a crazy attack. The only hope
to dodge this is to block.