The following are known CTRPF AR Cheat Codes for Sonic Generations on Nintendo 3DS (3DS).

0004000000062200.txt

[Max Lives]
00571930 00000063

[Max Rings]
00571934 000003E7

[Infinite Boost (Works Offline and Online)]
604D6760 00000000
B04D6760 00000000
00000F80 00000FFF
D2000000 00000000

[Blinking Invincibility]
604D6760 00000000
B04D6760 00000000
00000F3D 000000FF
D2000000 00000000

[Timer Hack]
D3000000 00571928
00000000 00000001
D2000000 00000000