Gradius Deluxe
| Gradius 1 Codes | |
| Invincibility | 8002FBE6 1000 |
| Infinite Lives P1 | 800C20A2 000A |
| Infinite Lives P2 | 800C20A4 000A |
| Always Have Missiles | 800AABE8 0001 800AAC50 0001 800AACC8 0001 800AAD40 0001 800AADB8 0001 |
| Always Have Four Options | 800AAC3C 0001 800AACB4 0001 800AAD2C 0001 800AADA4 0001 800C1FF8 0004 800C2134 0001 800C2136 0002 800C2138 0003 800C213A 0004 |
| Gradius 2 Codes | |
| Invincibility | 80037202 1000 8003725C 0000 |
| Infinite Lives P1 & P2 | D0091238 0000 8009DE70 0606 |