The following are known CTRPF AR Cheat Codes for LEGO Batman 3: Beyond Gotham on Nintendo 3DS (3DS).

000400000011DD00.txt

[Max Studs, Game v1.0]
005F4568 3B9AC9FF

[Infinite Health, Game v1.0]
605DB7BC 00000000
B05DB7BC 00000000
50000000 0000FF00
20000078 000000C8
D2000000 00000000

[Infinite Health, Game v1.1]
605DC7C4 00000000
B05DC7C4 00000000
50000000 0000FF00
20000078 000000C8
D2000000 00000000

[Max Studs, Game v1.1]
005F5570 3B9AC9FF