The following are known CTRPF AR Cheat Codes for 3D Classics: Kirby’s Adventure on Nintendo 3DS (3DS).

0004000000055000.txt

[Max Lives after losing]
D3000000 10000000
05AAC01C 00000064

[9999990 Score]
080086DC 000F423F

[Infinite Lives]
080086E2 00000063
0802ED08 00000063

[Infinite Health]
080086E1 000000FF
0802ED07 000000FF