Lego Batman

Collect coins to completely fill that bar in a level.

Use the following customizations.

Face: Bruce Wayne
Hair: Short blonde
Gloves: Green
Torso: Orange
Belt: Black or green
Pants: Green
Weapon: Any

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.

Complete the indicated task to unlock the corresponding character.

Alfred Pennyworth: Complete "The Riddler's Revenge".
Bane: Complete "Rockin' The Docks".
Barbara Gordon (Batgirl): Complete "The Riddler's Revenge".
Catwoman: Complete "Stealing The Show".
Clayface: Complete "The Riddler Makes A Withdrawl".
Commissioner James Gordon: Complete "The Riddler's Revenge".
Dick Grayson (Nightwing): Complete "The Riddler's Revenge".
Dr. Victor Fries (Mr. Freeze): Complete "On The Rocks".
Harley Quinn: Complete "A Surprise For The Commissioner".
The Joker: Complete "A Surprise For The Commissioner".
Hush: Rescue all 25 hostages.
Man-Bat: Buyable After Complete "Zoo's Company".
Penguin: Complete "Rockin' The Docks".
Poison Ivy: Complete "Green Fingers".
Ras Al Ghul: Get a 100% game completion by assembling all mini-kits. Note: You must first spend 4 billion studs to unlock the last data item after buying all other data items.
Riddler: Complete "The Riddler Makes A Withdrawl".
Two-Face: Complete "An Enterprising Theft".

Enter one of the following codes at the computer in the Batcave at the Batcave or in Arkham Asylum at the hacked computer to activate the corresponding cheat function. Note: Unlocked characters are only available in Free Play mode.

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Enter one of the following codes at the computer in the Batcave at the Batcave or in Arkham Asylum at the hacked computer to activate the corresponding cheat function. Note: Unlocked characters are only available in Free Play mode.

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 will 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 an increasing number of studs after they are zapped and killed.

Use the following customizations.

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

Power bricks can be found at the following locations.

You Can Bank On Batman: Hidden on the left side of the cage that Clayface stands on.

An Icy Reception: In the building behind the catwalk after you find the ice cream on the floor. You must glide to it from where you built the grappling grab spot. You will also need to do it in Free Play mode because you need someone who has super strength such as Clayface or Mr. Freeze.

Two-Face Chase: The power brick is hidden in the final stage of the level where you fight Two-Face. It is in the top left corner of the park on the left and is behind some explosive barrels.

Riddler Makes A Withdrawal: Build a car out of the pieces of the neon light on the side of one of the buildings after you come out of the elevator. Take the car to the area where you build the wrecking ball. In the top right corner is a car compacter. Roll the car in there then mind control the person to pull the second lever. Note: This must be done in Free Play mode.

On The Rocks: In the first room after you come inside, freeze all of the ice cream floats and go across them. Do not mind control the person and raise the level. At the end of the floats is an iron gate. Blow it open and go inside. Go up the ladder and down to where the hanging bars are located. Break the crates, build the switch, cross the bridge, and complete the glass sculpture. Note: This must be done in Free Play mode.

Green Fingers: In the room where you first use your power to grow plants, there is a ledge above the big plant thing. There are iron bars blocking the left passage of this ledge. Blow it open and use Robin in the Attract suit to build a truck with a cake in the back. Bake the cake and the brick will appear. Note: This must be done in Free Play mode.

Complete the indicated task to unlock the corresponding vehicle.

The Joker's Helicopter: Complete "Biplane Blast"
Killer Croc's Swamp Rider: Complete "Harboring A Grudge"
The Penguin's Sub: Complete "Harboring A Grudge"
Scarecrow's Bi-Plane: Complete "Biplane Blast"