Character Codes:
Activate the following cheats by entering the corresponding codes at the main console in the Batcave. Note: These codes only make the items available for purchase. You’ll still need enough studs to buy them:

CHEAT FUNCTION – CHEAT CODE
Heavy Joker Goon – ZQA8MK
Joker Goon – 9ZZZBP
LexBot – W49CSJ
Poison Ivy Goon – M9CP6L
Riddler Goon – Q285LK
Two-Face Goon – 95KPYJ

Red Brick Codes:

Activate the following cheats by entering the corresponding codes at the main console in the Batcave. Note: These codes only make the items available for purchase. You’ll still need enough studs to buy them:

CHEAT FUNCTION – CHEAT CODE
10X Stud Multiplier – A92HDW
2X Stud Multiplier – 74EZUT
4X Stud Multiplier – EY2B5C
6X Stud Multiplier – HYF2B7
8X Stud Multiplier – 4H9HQE
Big Heads – GTDHR3
Invincibility – MVXP8E
Regenerate Hearts – ZXEX5D
Stud Magnet – MNZER6