Action Replay Codes [US]

The following are known Action Replay Codes for Herdy Gerdy 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
0E3C7DF2 1853E59E
EEACC586 BCD867F2

Easy Cowbells
0EA9EB9E BCA99B84
CEA9EB9E BCA99BE6

100 Bells
FEA9EB9E BCA99BE7

200 Doops Herded
FEA9F5FE BCA99B4B

0 Doops Left
FEA9F5FA BCA99B83

0 Doops Killed
FEA9F586 BCA99B83

200 Gromps Herded
FEA9F582 BCA99B4B

0 Gromps Left
FEA9F58E BCA99B83

200 Bleeps Herded
FEA9F596 BCA99B4B

0 Bleeps Left
FEA9F592 BCA99B83

0 Bleeps Killed
FEA9F59E BCA99B83

Have All Herder Items
FEA9DC73 BCA99B88
DEA9DC72 BDAB9E87
FEA9DC7A BCA99B88

Have Climbing Feather
FEA9DC02 BCA99B84

Have Boots
FEA9DC06 BCA99B84

Have Swimming Costume
FEA9DC0E BCA99B84

Have Power Gloves
FEA9DC0A BCA99B84

All Map Areas Unlocked
DEA9DC1A BCA99B84
DEA9DC26 BCA99B84
DEA9DC22 BCA99B84
DEA9DC2E BCA99B84
DEA9DC2A BCA99B84
DEA9DC36 BCA99B84
DEA9DC32 BCA99B84
DEA9DC3E BCA99B84
DEA9DC3A BCA99B84
DEA9DCC6 BCA99B84
DEA9DCC2 BCA99B84
DEA9DCCE BCA99B84
DEA9DCCA BCA99B84
DEA9DCD6 BCA99B84
DEA9DCD2 BCA99B84
DEA9DCEE BCA99B84
DEA9DCEA BCA99B84

Unlock Secret 1
CEA46D9E BCA99B84

Unlock Secret 2
CEA46D9A BCA99B84

Unlock Secret 3
CEA46DA6 BCA99B84

Unlock Secret 4
CEA46DA2 BCA99B84

Unlock Secret 5
CEA46DAE BCA99B84

Unlock Secret 6
CEA46DAA BCA99B84

Unlock Secret 7
CEA46DB6 BCA99B84

Unlock Secret 8
CEA46DB2 BCA99B84

Unlock Secret 9
CEA46DBE BCA99B84

Unlock Secret 10
CEA46DBA BCA99B84

Unlock Secret 11
CEA46D46 BCA99B84

Unlock Secret 12
CEA46D42 BCA99B84

Unlock Secret 13
CEA46D4E BCA99B84

Unlock Secret 14
CEA46D4A BCA99B84

Unlock Secret 15
CEA46D56 BCA99B84

Unlock Secret 16
CEA46D52 BCA99B84

Unlock Secret 17
CEA46D5E BCA99B84

Unlock Secret 18
CEA46D5A BCA99B84

Unlock Secret 19
CEA46D66 BCA99B84

Unlock Secret 20
CEA46D62 BCA99B84

Action Replay MAX Codes [US]

The following are known Action Replay MAX Codes for Herdy Gerdy on Sony Playstation 2 (PS2).

Device Compatibility: Action Replay MAX

Master Code – Must Be On
39WN-MXEC-9YUUW
CXGZ-0X3W-WMJW4
URYX-NAA2-8W3DJ

Bells Codes
PCM7-3NE3-KNYBW

Easy Cowbells
227J-PNGD-NCCAA
W484-VZ51-0VT75
UBKR-2GM0-0TZUA

100 Bells
RHQ3-1N7F-0FJQP
R4GT-PF31-XX3T5

Doops Codes
1Y9E-KZ35-1YFY2

200 Doops Herded
C7VV-2BFT-GFJ3K
Q9GM-VHTM-TDFPG

0 Doops Left
YUHT-2QTG-BMGH7
C8NR-RQER-BGU36

0 Doops Killed
X9ZD-81JU-34PV7
T43E-60GM-9TJQB

Gromps Codes
VMEJ-Y5AR-0E5RV

200 Gromps Herded
GDB7-F8QX-MH7Q3
XJGT-X6MG-ZQM66

0 Gromps Left
AD7Y-Z45V-9TU9H
CTR6-21KY-9GUCX

200 Bleeps Herded
WMQ5-QH0U-0E9AW
2V2Q-9G98-4Q4AQ

Bleeps Codes
4VKP-DX6F-UCF1M

0 Bleeps Left
D8MG-8DJG-EPJ9R
BPPW-TR7T-M3V2Y

0 Bleeps Killed
X2RY-TKNA-H2KH0
RNZH-JXK9-1WZ84

Have All Herder Items
FX60-V6PU-P6E8W
N5PT-712R-7DKUF
6URJ-6Z7C-52VFX
3G46-CGK0-QX0CA

Have Climbing Feather
3629-KDPW-5TE2Q
17FV-JMRQ-73RN3

Have Boots
NMFH-HU4B-BQX3B
6MPP-M6QH-JDAV2

Have Swimming Costume
74K4-AWJB-JBKVJ
3D0G-WEAY-RXCKB

Have Power Gloves
VRDD-U251-HEC6Q
F3TG-RXRH-A0D58

All Map Areas Are Unlocked
ZPMK-4TJP-1ARKC
R7KU-3WCQ-H20RZ
M9KU-JXVW-20J4B
GT5A-65WK-C4G99
NAUR-MWMY-PC46N
NPQ5-D3D9-DJZEE
2H0J-0UC4-1YQZE
R1HP-RDTV-0QQTN
R9PT-TEHE-AHVXD
GDBK-0484-MGFUZ
T33D-QEZ9-X2Z60
M9AY-BFF5-JU9WN
8869-DG1D-VEA75
PF2P-15TA-FVUU1
PCN1-THVJ-NR8J9
1X0D-YTP0-T2Q93
ZDG0-UCJC-YPVEH
NRGV-T3KP-N8UPE

Unlock Secret Codes
ZNRK-1GVD-CW2X0

Secret 1
7M4B-ATDV-ZCBAE
9MAG-VF87-G5Y7E

Secret 2
1YRY-7Y8E-URFH2
4EE2-93V4-0AKAJ

Secret 3
J5ZH-F4R9-VUMW5
B9KU-ZQMJ-Z6GGB

Secret 4
47G0-F0YN-CPHV7
MY4D-Y42Z-Q5D33

Secret 5
PCW1-FXGW-Y8PU9
CAFK-03ME-7MRA2

Secret 6
6QCE-AKEZ-PFNHR
HNNY-MRBU-MUZND

Secret 7
9T33-B799-C639D
H2UZ-YVXR-CE7A7

Secret 8
B4P0-WCY7-2PFNC
7VMD-C1BH-H525W

Secret 9
C1HM-H9DK-VJ18B
PFNA-MVD7-JKQ08

Secret 10
G0M4-9C6H-WHMDJ
4KJ1-8E9V-R78UV

Secret 11
QFHB-8HJC-XKRJ1
MTK2-KU5N-3UXU6

Secret 12
4CKX-P63B-4PHEG
FZYA-CDAQ-3GCD5

Secret 13
8234-HBTD-000GE
U5FP-DE7W-DVV0E

Secret 14
1FQ3-VMBC-E5P84
GBJA-A7AZ-EJAKH

Secret 15
9XGF-4EF1-BEQYV
EDY8-59DQ-XUNHX

Secret 16
3TVY-JT9Y-J57CT
UKDG-Y1P3-5ABZH

Secret 17
BMVC-D6PA-UWH9N
BH31-VUN5-RWE1K

Secret 18
MWK1-8RAX-8H3V2
KTFT-NHCY-0048X

Secret 19
HTBV-42VY-KJ0DJ
JK5W-A6RP-AY08X

Secret 20
XZW0-YECG-61PCX
0WCQ-5HQ3-Y4PEA