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

Title ID: 0100721012F9C000
Build ID: 6fe4e4924c8542ac

[Inf Lives]
580F0000 014C8E20
580F1000 00000328
780F0000 00000400
610F0000 00000000 0000000A

[Inf Shield & Laser (Hold ZR)]
80000200
580F0000 014C8E20
580F1000 00000328
780F0000 00000429
610F0000 00000000 000000B4
20000000

[Max Option (Push Y)]
580F0000 014C8E20
580F1000 00000328
780F0000 00000420
610F0000 00000000 00000005

[Speed Up & Max Missile]
580F0000 014C8E20
580F1000 00000328
780F0000 00000428
610F0000 00000000 00000025