[From MAX-CHEATS.com by optantic for GUNBIRD for Nintendo Switch]

[P1 Infinite Lives]
01000000 012e0098 00000009

[P1 Infinite Bombs]
01000000 012e009c 00000009

[P1 Max Power]
01000000 012e009a 00000003

[P2 Infinite Lives]
01000000 012e0118 00000009

[P2 Infinite Bombs]
01000000 012e011c 00000009

[P2 Max Power]
01000000 012e011e 00000003