The following are known Atmosphere / EdiZon / SXOS Cheat Codes for ACA NeoGeo: Savage Reign on Nintendo Switch (Switch).

Title ID: 0100E5400AFC8000
Build ID: 9499ab26583322d6

[RightStick CPU 0 Health]
80000020
520F0000 012837C0
740F0000 0127B3E4
010F0000 00000000 00000000
20000000

[ZR Player Recover Full Health]
80000200
520F0000 012837BC
740F0000 0127B3E4
010F0000 00000000 000000F0
20000000