The following are known Atmosphere / EdiZon / SXOS Cheat Codes for ACA NeoGeo: The King of Fighters 2003 on Nintendo Switch (Switch).

Title ID: 0100EF100AFE6000
Build ID: b5398489c48ca2dc

[CPU 1+2+3 1-Hit Kill]
01000000 003F53F4 00000001
01000000 003F54F4 00000001
01000000 003F55F4 00000001

[CPU NO Super]
01000000 003F52D9 00000000
01000000 003F52DD 00000000

[hitanywhere]
04000000 006731621C 60024A40

[Player 1+2+3 Infinite HP]
01000000 003F4FF4 00000070
01000000 003F50F4 00000070
01000000 003F51F4 00000070

[Player Infinite Super]
01000000 003F4ED9 00000048
01000000 003F4EDD 00000005