Action Replay Codes [US]
The following are known Action Replay Codes for Gradius III and IV on Sony Playstation 2 (PS2). These codes were also known as GameShark Codes and in most cases will work on both devices.Device Compatibility: Action Replay & GameShark (Version 1 & 2)
Master Code – Must Be On
EC878D78 1433BDF8
P1 – Inf. Lives
4D97937A 1456D7A5
P1 – Mega Shield
4D97A096 1456E70C
Speed Select: Press L1
0C1E5B6A 1456AC0C
4D97938E 1456E7A6
Missile Select: Press L2
0C1E5B6A 1456B10C
4D97938E 1456E7A7
Double Select: Press R1
0C1E5B6A 1456B80C
4D97938E 1456E7A8
Laser Select: Press R2
0C1E5B6A 1456B20C
4D97938E 1456E7A1
Option Select: Press L1+L2
0C1E5B6A 1456AD0C
4D97938E 1456E7A2
? Select: Press R1+R2
0C1E5B6A 1456BA0C
4D97938E 1456E7A3
! Select: Press L1+R1
0C1E5B6A 1456B40C
4D97938E 1456E7A4
Infinite Lives
3C20E330 1456E7A8
Insane Score
1C20E32C 17E9C70C
Power Ship
DC918328 14CD4667
4C20E266 1456EBA2
4C20E268 1456EBA5
4C20E27C 1456E79D
Action Replay MAX Codes [US]
The following are known Action Replay MAX Codes for Gradius III and IV on Sony Playstation 2 (PS2).Device Compatibility: Action Replay MAX
Master Code – Must Be On
XX8Y-PCA3-0MEMP
P6N4-ZFKN-3XKM8
U9KP-UUKV-3CQK1
Player 1 Has Infinite Lives
DRP6-H363-7CF4V
4K8P-TX8M-APMJN
Player 1 Has A Mega Shield
8AJF-GD84-AA0RN
V1HC-BATA-XQAV7
Speed Select
VEBM-RW76-CVQ96
BW6B-CGHX-PP7V7
V359-UJJD-GZNX8
Press L1 to activate
Missile Select
X2X0-WUJJ-24UHV
YP9E-PKJ2-86EZM
F4Y6-PFZ2-TBE2A
Press L2 to activate
Double Select
C6BW-XDQU-89259
YVXE-1DC7-T175P
ZVA5-CYWR-B8U9P
Press R1 to activate
Laser Select
0FW3-12MX-FDQPB
0UJ7-ZPK0-901DD
EKDP-JZU8-39D9R
Press R2 to activate
Option Select
F724-E3PE-W6KUP
CZJT-BX03-1TTU2
TN9Q-MWGR-9Q02E
Press L1+L2 to activate
? Select
JFZ2-JFB8-1WPCZ
5ZY2-87KY-1JT2Y
69JY-CMVQ-6D4TK
Press R1+R2 to activate
! Select
BUKX-XK4J-J5RE0
UNVA-5RRE-CJFAU
RJ9R-42XP-PDDJ9
Press L1+R1 to activate
Infinite Lives
3E4Y-N5HE-XFBM7
ZPW8-X6A2-GR80D
Insane Score
VJCP-8ADH-4E9R2
0WUC-D2G5-F2JHF
Power Ship
291N-UHGM-QF3NC
W99A-CHE8-6A6NA
553K-92B7-AEAWF
Y08D-4YCU-17RPD
2P03-V36C-WXYXB
03AH-5PBC-9K2T7