The following are known Atmosphere / EdiZon / SXOS Cheat Codes for Arcade Archives: Gradius on Nintendo Switch (Switch).

Title ID: 0100A070105A6000
Build ID: ee81fdf68d947bde

[Constant Laser]
011F0000 7A070827 00000002

[Constant Missile]
011F0000 7A070825 00000001

[Get Items From Anywhere]
021F0000 7A019444 0000714E
021F0000 7A019458 0000714E

[hitanywhere]
021F0000 7A01F514 00002060
021F0000 7A01F720 00001A60

[Inf 5 Coins (Hold L)]
80000040
011F0000 7A0702AC 00000005
20000000

[Inf 6 Coins (Hold R)]
80000080
011F0000 7A0702AC 00000006
20000000

[Inf Barrier]
011F0000 7A0700B5 00000020

[Inf Lives]
011F0000 7A0702A0 00000008

[Invincible]
011F0000 7A070800 00000001
011F0000 7A07080A 00000002
011F0000 7A070819 00000000

[Speed Up]
011F0000 7A07080E 00000006