Complete the indicated task to unlock the corresponding character.
| Character | How to unlock |
| 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. 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".
|
