Lego Batman (Nintendo Wii)

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Arkham bonus level

Get a "True Villain" rank on all levels in the Villain storyline. To reach the mission, go to right of the Batcomputer. Go down the ramp, and pull the lever to get to the villains. Go through the door on the right, and look in the corner to reach the memorabilia room. Climb the ladder at the top to access the Arkham level.

Batcave Codes - Unlockable Characters and Vehicles

Access the computer in the Batcave and enter the following passwords in the "Enter Code" menu.

PasswordEffect
ZAQ637Alfred
KNTT4BBat-Tank
JKR331Batgirl
LEA664Bruce Wayne's Private Jet
M1AAWWCatwoman (Classic)
HPL826Catwoman's Motorcycle
HJK327Clown Goon
HGY748Fishmonger
XVK541Freeze Girl
DUS483Garbage Truck
GCH328Goon Helicopter
CHP735Harbor Helicopter
RDT637Harley Quinn's Hammer Truck
UTF782Joker Goon
YUN924Joker Henchman
JCA283Mad Hatter
HS000WMad Hatter's Glider
M4DM4NMad Hatter's Steamboat
NYU942Man-Bat
MKL382Military Policeman
ICYICEMr. Freeze's Iceberg
BCT229Mr. Freeze's Kart
NKA238Penguin Goon
BTN248Penguin Goon Submarine
BJH782Penguin Henchman
KJP748Penguin Minion
GTB899Poison Ivy Goon
LJP234Police Bike
PLC999Police Boat
KJL832Police Car
CWR732Police Helicopter
HKG984Police Marksman
JRY983Police Officer
VJD328Police Watercraft
CRY928Riddler Goon
XEU824Riddler Henchman
HAHAHARiddler's Jet
TTF453Robin's Submarine
HTF114S.W.A.T.
NAV592Sailor
JFL786Scientist
PLB946Security Guard
LEHH02The Flash
JUK657The Joker's Van
EFE933Two-Face's Armored Truck
DWR243Zoo Sweeper

Easy Studs

Successfully complete a level with The Joker. You should then have him in the prison. Go to the experiment room at the prison. Start zapping the Joker Henchmen that keep walking into the room. Zap the villain that follows you every so often. Every time you zap the villain that follows you, the Henchmen will give an increasing number of Studs after they are zapped and killed.

Getting "True Hero" and "True Villain" ranks

Collect coins in a level to completely fill the "True Hero" or "True Villain" bar to get the corresponding rank for that level.

James Bond created character

Use the following customizations:

Gloves: Caucasian
Face: Normal Caucasian
Belt: Black
Pants: Black
Arms: Black
Torso: Alfred Pennyworth
Hair: Short black
Weapon: Pistol

McDonald's Happy Meal Toy Cheats

This would be on the second level of the Bat Cave. There is a big computer in the middle of the screen above where the outfit changer is where you can enter the codes.

Password - Effect

ZAQ637 - Unlocks Alfred in Free Play
DPP967 - Unlocks Commissioner Gordon in Free Play
XVK541 - Unlocks Free Girl in Free Play
RDT637 - Unlocks Harley Quinn's Hammer Truck
XWP645 - Unlocks more Batarang Targets
BJH782 - Unlocks Penguin Henchman in Free Play
NJL412 - Unlocks Yeti in Free Play

Play as Hush

Rescue all 25 hostages to unlock Hush.

Play as Ras Al Ghul

Get a 100% game completion by assembling all Minikits to unlock Ras Al Ghul. Note: You must first spend 4 billion Studs to unlock the last data item after buying all other data items.

Superman (DC Comics) created character

Use the following customizations.

Arms: Blue
Belt: Red
Cape: Red
Face: Bruce Wayne
Gloves: Caucasion
Hair: Robin
Pants: Blue
Torso: Plain blue
Weapon: Batarang

Note: To create Supergirl, change the face to a woman's face and change hair to long blonde.

Tim Drake (Robin III) created character

Use the following customizations:

Gloves: Black
Face: Nightwing
Belt: Black
Pants: Red
Arms: Red
Torso: Robin
Hair: Short black
Weapon: Batarang

Unlockables from the McDonald's Toy Set Codes

Enter these codes (provided by the Lego Batman toys at McDonald’s) at the cheat screen to unlock the following:

Password - Effect

BDJ327 - Bruce Wayne - (from Batman Batarang toy)
DDP967 - Commissioner Gordon - (from the Joker Helicopter toy)
XWP645 - More Batarang Targets - (from the Batboat toy)
MVY759 - Nightwing - (from Robin Grappling Hook toy)
KJP748 - Penguin Minion - (from the Penguin Submarine toy)
MAC788 - Police Van - (from the Batmobile toy)
CCB199 - The Joker (Tropical) - (from the Joker Surprise toy)
NJL412 - Yeti - (from Mr. Freeze Ice Blast toy)

Various Codes

Enter one of the following codes at the computer in the Batcave to unlock the corresponding option at the "Extras" menu. If you entered the code correctly, the name of the cheat will appear.

Result - Code
Extra hearts - ML3KHP
Unknown - XWP645
Unknown - DDP967
Unknown - XVK541
Unknown - RDT637
Unknown - NJL412

Bonus characters. Enter one of the following codes at the computer in the Batcave to unlock the corresponding character:

Character - Code
Bruce Wayne - BDJ327
S.W.A.T. - HTF114
Tropical Joker - CCB199
Yeti - NJL412

Wayne Manor bonus level

Get a "True Hero" rank on all levels in the Hero storyline. To reach the mission, go to where the vehicles are in the Batcave. Go to the far right, then down to the bottom. Step on the elevator to go to the memorabilia room. The Wayne Manor mission is in upper left corner.