"Gradius III & IV"
Enable Code (Must Be On)
F0100008 0023EAD3
Gradius III Codes
Invincibility (Both Players)
2013C6E4 00000000
2013C6EC 00000000
Infinite Lives P1
11001050 00000063
Quick Score Gain P1
11001054 00009999
Max Score P1
21001054 09999999
P1 Press Select+L2 To Select Level 1 Powerup
D04FECA8 00000101
1100106A 00000001
P1 Press Select+L2 To Select Level 1 Powerup
D04FECA8 00000104
1100106A 00000002
P1 Press Select+R2 To Select Level 3 Powerup
D04FECA8 00000102
1100106A 00000003
P1 Press Select+R1 To Select Level 4 Powerup
D04FECA8 00000108
1100106A 00000004
P1 Press Select+L1+L2 To Select Level 5 Powerup
D04FECA8 00000105
1100106A 00000005
P1 Press Select+R1+R2 To Select Level 6 Powerup
D04FECA8 0000010A
1100106A 00000006
P1 Press Select+L1+L2+R1+R2 To Select Level 7 Powerup
D04FECA8 0000010F
1100106A 00000007
P1 Speedup Codes
Level 1
01001069 00000001
Level 2
01001069 00000002
Level 3
01001069 00000003
Level 4
01001069 00000004
Level 5
01001069 00000005
Infinite Lives P2
110010D0 00000003
Quick Score Gain P2
110010D4 00009999
Max Score P2
210010D4 09999999
P2 Press Select+L2 To Select Level 1 Powerup
D04FECAC 00000101
110010EA 00000001
P2 Press Select+L2 To Select Level 1 Powerup
D04FECAC 00000104
110010EA 00000002
P2 Press Select+R2 To Select Level 3 Powerup
D04FECAC 00000102
110010EA 00000003
P2 Press Select+R1 To Select Level 4 Powerup
D04FECAC 00000108
110010EA 00000004
P2 Press Select+L1+L2 To Select Level 5 Powerup
D04FECAC 00000105
110010EA 00000005
P2 Press Select+R1+R2 To Select Level 6 Powerup
D04FECAC 0000010A
110010EA 00000006
P2 Press Select+L1+L2+R1+R2 To Select Level 7 Powerup
D04FECAC 0000010F
110010EA 00000007
P2 Speedup Codes
Level 1
010010E9 00000001
Level 2
010010E9 00000002
Level 3
010010E9 00000003
Level 4
010010E9 00000004
Level 5
010010E9 00000005
Unlock All Stages (Stage Select)
0088D774 0000002A
Unlock Extra Mode Codes
Cube Attack
0088D7E3 00000001
Gradius
0088D775 00000001
Salamander
0088D776 00000001
Extra Edit
0088D7E1 00000001
Gradius IV Codes
Infinite Lives (Both Players)
20185958 00000000
Extra Lives (Both Players)
1018594C 00000001
Invincibility (Both Players)
101A782A 00001000
Max Power Up/Immune To Bullets/Enemies (Both Players)
E0030000 00896142
20896140 04050400
20896150 0000000A
10896154 00000028
Speedup Codes (Both Players)
Level 1
00896142 00000001
Level 2
00896142 00000002
Level 3
00896142 00000003
Level 4
00896142 00000004
Level 5
00896142 00000005
Max Power Up (Both Players)
E0020000 00896142
20896140 04050400
10896154 00000008
Infinite Lives P1
00896008 00000003
Quick Score Gain P1
10896004 0000FFFF
Max Score P1
20896004 05F5E0FF
Infinite Lives P2
0089601C 00000003
Quick Score Gain P2
10896018 0000FFFF
Max Score P2
20896018 05F5E0FF
P1 Press Select+L2 To Select Level 1 Powerup
D0892C16 00000101
10896042 00000001
P1 Press Select+L1 To Select Level 2 Powerup
D0892C16 00000104
10896042 00000002
P1 Press Select+R2 To Select Level 3 Powerup
D0892C16 00000102
10896042 00000003
P1 Press Select+R1 To Select Level 4 Powerup
D0892C16 00000108
10896042 00000004
P1 Press Select+L1+L2 To Select Level 5 Powerup
D0892C16 00000105
10896042 00000005
P1 Press Select+R1+R2 To Select Level 6 Powerup
D0892C16 0000010A
10896042 00000006
P2 Press Select+L2 To Select Level 1 Powerup
D0892C1A 00000101
10896042 00000001
P2 Press Select+L1 To Select Level 2 Powerup
D0892C1A 00000104
10896042 00000002
P2 Press Select+R2 To Select Level 3 Powerup
D0892C1A 00000102
10896042 00000003
P2 Press Select+R1 To Select Level 4 Powerup
D0892C1A 00000108
10896042 00000004
P2 Press Select+L1+L2 To Select Level 5 Powerup
D0892C1A 00000105
10896042 00000005
P2 Press Select+R1+R2 To Select Level 6 Powerup
D0892C1A 0000010A
10896042 00000006
Unlock Stage Select Mode
0089413A 00000001
Pause For Hit Disp On/Off
0089413A 00000002
Unlock Stage Select Mode & Pause For Hit Disp On/Off
0089413A 00000003
Unlock All Stages (Stage Select)
00894138 00000008
