Lots of stuff
[PS2 Cheat by: radioactive814 ]
XWP645 More Batarang Targets - (from the Batboat toy)
DDP967 Commissioner Gordon - (from the Joker Helicopter toy)
BDJ327 Bruce Wayne - (from Batman Batarang toy)
NJL412 Yeti - (from Mr. Freeze Ice Blast toy)
MAC788 Police Van - (from the Batmobile toy)
KJP748 Penguin Minion - (from the Penguin Submarine toy)
MVY759 Nightwing - (from Robin Grappling Hook toy)
CCB199 The Joker (Tropical) - (from the Joker Surprise toy)
Batcave Codes - Unlockable Characters & Vehicles
Access the computer in the Batcave and enter the following passwords in the "Enter Code" menu.

Password Effect
ZAQ637 Alfred
JKR331 Batgirl
JRY983 Police Officer
HGY748 Fishmonger
MKL382 Military Policeman
PLB946 Security Guard
HTF114 S.W.A.T.
JFL786 Scientist
NAV592 Sailor
HKG984 Police Marksman
M1AAWW Catwoman (Classic)
NYU942 Man-Bat
JCA283 Mad Hatter
GTB899 Poison Ivy Goon
DWR243 Zoo Sweeper
XVK541 Freeze Girl
CRY928 Riddler Goon
XEU824 Riddler Henchman
NKA238 Penguin Goon
BJH782 Penguin Henchman
UTF782 Joker Goon
YUN924 Joker Henchman
HJK327 Clown Goon
KJL832 Police Car
LJP234 Police Bike
KNTT4B Bat-Tank
HPL826 Catwoman's Motorcycle
EFE933 Two-Face's Armored Truck
BCT229 Mr. Freeze's Kart
RDT637 Harley Quinn's Hammer Truck
JUK657 The Joker's Van
DUS483 Garbage Truck
TTF453 Robin's Submarine
VJD328 Police Watercraft
PLC999 Police Boat
BTN248 Penguin Goon Submarine
ICYICE Mr. Freeze's Iceberg
M4DM4N Mad Hatter's Steamboat
CHP735 Harbor Helicopter
CWR732 Police Helicopter
LEA664 Bruce Wayne's Private Jet
GCH328 Goon Helicopter
HAHAHA Riddler's Jet
HS000W Mad Hatter's Glider
BBD7BY GlideSlam (Glide Suit)
ML3KHP Extra Hearts
JXUDY6 Immune to Freeze
ZOLM6N Fast Walk (Magnet Suit)
EVG26J Fast Pieces (Attract Suit)
18HW07 x10 Multiplier
WYD5CP Inivincibility
9LRGNB Always Score Multiply
TL3EKT Area Effect (Sonic Suit)
N8JZEK Armor Plating (Demolition Suit)
XFP4E2 Bats (Sonic Suit)
RAFTU8 Beep Beep
DY13BD Character Studs
TQ09K3 Decoy (Technology Suit)
GEC3MD Disguise
EWAW7W Extra Toggle
JRBDCB Fast Batarangs (All Suits)
GHJ2DY Fast Build
RM4PR8 Fast Grapple (All Suits)
D8NYWH Flaming Batarangs (Heat Protection Suit)
XPN4NG Freeze Batarangs (Water Suit)
KLKL4G Ice Rink
ZXGH9J Minikit Detector
TNTN6B More Detonators (Demolition Suit)
KHJ544 Piece Detector (Attracto Suit)
MMN786 Power Brick Detector
HJH7HJ Regenerate Hearts
YK4TPH Silohuettes
THTL4X Sonic Pain (Sonic Suit)
LK2DY4 Stud Magnet
N4NR3E x2 Multiplier
CX9MAT x4 Multiplier
MLVNF2 x6 Multiplier
WCCDB9 x8 Multiplier

Batman Cheat Codes
[PS2 Cheat by: Cheat Masters ]
When you are inside the Batcave head over to the computer and enter any of the following codes to unlock cheats.

ML3KHP - Extra hearts
WYD5CP - Invincibility
ZOLM6N - Walk faster
JXUDY6 - Immune to freeze
XWP645 - Extra Batarang targets
18HW07 - score multiplier x10
EVG26J - Fast pieces

Unlock Characters:
BDJ327 - Bruce Wayne
ZAQ637 - Alfred
CCB199 - Tropical Joker
XVK541 - Freeze Girl
DDP967 - Commissioner Gordon
BJH782 - Penguin henchmen
HTF114 - S.W.A.T.
JRY983 - Police officer
NJL412 - Yeti

Vehicles:
RDT637 - Harley Quinn’s Hammer Truck
MAC788 - Police Van

Characters and Vehicles
Description: To unlock the characters and vehicles below, insert the specified code into the in-game cheats menu.

Alfred	ZAQ637
Batgirl	JKR331
Bat Tank	KNTT4B
Bruce Wayne	BDJ327
Bruce Wayne’s Jet	LEA664
Catwoman	M1AAWW
Catwoman’s Motorcycle	HPL826
Commissioner Gordon	DDP967
Garbage Truck	DUS483
Harley Quinn’s Truck	RDT637
Mad Hatter	JCA283
Mad Hatter’s Boat	M4DM4N
Mad Hatter’s Glider	HS000W
Man Bat	NYU942
Mr. Freeze’s Car	BCT229
Mr. Freeze’s Girl	XVK541
Mr. Freeze’s Henchman	NJL412
Nightwing	MVY759
Penguin’s Henchman	BJH782
Poison Ivy Henchman	GTB899
Police Bike	LJP234
Police Boat	PLC999
Police Helicopter	CWR732
Police Officer	JRY983
Police Sniper	HKG984
Police Van	MAC788
Riddler’s Henchman	XEU824
Riddler’s Plane	HAHAHA
Robin’s Sub	TTF453
Sailor	NAV592
Scientist	JFL786
Security Guard	PLB946
Soldier	MKL382
SWAT Officer	HTF114
The Joker (Tropical)	CCB199
The Joker’s Henchman	UTF782
The Joker’s Van	JUK657
Two-Face’s Truck	EFE933
Yeti	NJL412
Zoo Sweeper	DWR243

Additional Features
Description: Unlock the special features listed below, insert the specified code into the in-game cheats menu.

Extra Hearts	ML3KHP
Increase Score x10	18HW07
Invincibility	WYD5CP

Cheat List
Description: Insert the following cheats at the Bat Cave to unlock the specified effect.

Extra Hearts	ML3KHP
Faster Batarangs	JRBDCB
Faster Piece Assembly	EVG26J
Faster Walking	ZOLM6N
Flaming Batarangs	D8NYWH
Frozen Batarangs	XPN4NG
Heart Regeneration	HJH7HJ
Immunity to Freeze	JXUDY6
Invincibility	WYD5CP
Minikit Detector	ZXGH9J
Multiply Score	9LRGNB
Piece Detector	KHJ544
Power Brick Detector	MMN786
Score Multiplier x2	N4NR3E
Score Multiplier x4	CX9MAT
Score Multiplier x6	MLVNF2
Score Multiplier x8	WCCDB9
Score Multiplier x10	18HW07

PS2 Cheats for Lego Batman

Lego Batman cheat codes

Lego Batman cheats