| Unlimited
lives for player 1 (Gradius 1) |
800C20A2 000A |
| Unlimited
lives player 2 (Gradius 1) |
800C20A4 000A |
| Always
have four options (Gradius 1) |
800AAC3C 0001
800AACB4 0001
800AAD2C 0001
800AADA4 0001
800C1FF8 0004
800C2134 0001
800C2136 0002
800C2138 0003
800C213A 0004 |
| Always
have missiles (Gradius 1) |
800AABE8 0001
800AAC50 0001
800AACC8 0001
800AAD40 0001
800AADB8 0001 |
| Invincibility
(Gradius 1) |
8002FBE6 1000 |
| Unlimited
lives for players 1 and 2 (Gradius 2) |
D0091238 0000
8009DE70 0606 |
| Invincibility
(Gradius 2) |
80037202 1000
8003725C 0000 |
