The following are known Action Replay Codes for Pikmin on Nintendo GameCube (GCN).

These codes are for the European version of the game.

Master Code – Must Be On
EK7P-AY8F-BN0AW
XGVV-D3U4-HDFCD

Always on 2nd day
UD8K-N0BQ-NUKZF
QCKY-4174-M5YF1

Infinite Health: The Impact Site
28TE-33RJ-YTYKA
UXFQ-XZ1K-VEWTK

Infinite Health: Forest of Hope
HB3P-HRRK-51723
WMA3-XV57-CQHWW

Infinite Health: Forest Navel
GGFM-J4X6-WKNPP
3M1A-AF2A-6WN6X

Infinite Health: The Distant Spring
9WGX-RK64-58673
RTA4-UV4B-VZAR9

Infinite Health: The Final Trail
7D1C-AKDX-8XNQK
44V8-Z5PP-0B6DY

Infinite Health For Olimar On All Levels
DM2X-9AB9-PUK47
V6D1-2XQA-ZDCBR

D-Pad Left To Freeze Day Timer
XE65-3C0F-K0802
K0C1-N10U-1PUMM
2FDG-ZGTF-HMV2P
With The Timer Turned Off Certain Actions Will Not Happen Until The Timer Is Reactivated. Like Knocking Down Walls

D-Pad Right To Unfreeze Day Timer
F9YM-8VFA-YDP37
R1NX-7DJA-P60F2
AZUR-GKCX-E9BU7
With The Timer Turned Off Certain Actions Will Not Happen Until The Timer Is Reactivated. Like Knocking Down Walls

All areas open
CVC5-XHNG-CZKX6
6BP1-QKUK-XKBZ1

Turn off blur
1FQM-X9GE-D55ZW
H6AR-NKXQ-1JQVD

Instant kill all bad guys
7HX7-7GPK-UAEQX
A38B-JTM5-5024D

End day for 999 red flower Pikmin
FK7Y-G45D-D6HHM
5HCU-0VHE-3UNPT
AFCA-K826-8TTG4

End day for 999 yellow flower Pikmin
2CM8-PF1H-1H70V
1YMD-Q08A-4XYKB
QQER-8PB5-7C973

End day for 999 blue flower Pikmin
MA9Q-CBP9-EY4X5
MQER-GZUX-KHGGT
BN15-0RV9-1X2TR

Change Red Pikmin colour to black
6X4G-W29D-PVHMY
Y0V3-WE9Q-VFJ81

Change Red Pikmin colour to white
DYMW-T2GV-9RB0Q
2RWA-WUN5-7K7F6

Change Red Pikmin colour to grey
DYVW-U0MY-Z0CKK
30TX-V28J-128GD

Change Red Pikmin colour to yellow
JZ02-K5JT-Y7TY9
ME80-03N2-ZP8X1

Change Red Pikmin colour to blue
GE12-M9QC-AM5Z8
DW25-TM3A-MZ82P

Change Red Pikmin colour to purple
PU5K-9FYW-KTCRC
9WWD-PMR4-WTZ8E

Blue Pikmin colour is random
MDZM-1D2W-1K246
5H5Z-NMQ3-528XC
XP9F-X144-KBT4A
FA7T-VYNF-ZNFKF

Change Blue Pikmin colour to pink
XUCK-KM1P-MQWH5
GMNJ-FXUT-F5DT9

Change Blue Pikmin colour to purple
82WK-BPZY-GTD5Y
RPFW-WQCN-HHEU9

Change Blue Pikmin colour to blue
DH5G-HB22-D7JHD
VV4R-RF3K-UGGF8

Change Blue Pikmin colour to yellow
MKEB-3VRU-TA2T2
DCDY-Q4QD-BTVUD

Change Blue Pikmin colour to grey
BHCE-E88G-H3FWU
HA53-UK3H-V76XN

Change Blue Pikmin colour to white
NRZ6-HKE4-QZP1A
KEC0-F8YV-W0G5P

Change Blue Pikmin colour to black
QCTZ-0PQ8-CZMNA
EN23-Z23G-WZ0WK

Yellow Pikmin colour is random
0TG6-VX47-BM0X2
MVN0-NUR5-W23EF
2F2B-PZAD-0CW08
9XTB-ZBDF-ZJWCW

Change Yellow Pikmin colour to pink
R3H2-YQMA-93TKU
GRBX-YP4X-D5HY8

Change Yellow Pikmin colour to purple
E0XE-GUCF-RX4P6
KX8U-TU0U-CR7VB

Change Yellow Pikmin colour to blue
AFK2-QG4X-RZQXN
4P4J-QB5U-EDAER

Change Yellow Pikmin colour to yellow
0Z0N-W99G-1XZ6Y
VD20-X1H9-K5UX4

Change Yellow Pikmin colour to grey
NBGA-UY19-ZKRGQ
BX3C-X6F9-79QPZ

Change Yellow Pikmin colour to white
NHJT-RD2E-0MEK7
RTBY-ECRV-K7W59

Change Yellow Pikmin colour to black
MC0W-TG9E-RECW6
EDE7-MZKC-WUC6H

Red Pikmin colour is random
WRRD-B7WZ-VN9BR
K81R-DMPT-VB31H
53WK-YB0W-KYPZ4
BCTU-5RUD-C8QEG

Change Red Pikmin colour to pink
TFPR-MXE0-ATJCA
TCRC-40DE-0YAEZ

D-pad down for map debug off
NDM9-M59E-PN1KD
HFH0-U6TF-J5Z7J
ZEBW-JDYY-8U7TG

D-pad up for map debug on
KRQR-CW53-047XR
M7K0-QJD4-8C3Z3
EWRZ-QKAA-WEUTA

Gfx Debug
82U8-WKYW-5H7WG
X91Z-9JBG-UN2CK

D-Pad Down + Z to advance day timer
PCQX-ANZ8-GEGEF
JK3K-X5KH-PDUMV
U117-7RV8-W6WMV

D-Pad Up + Z to reset day timer
4CXQ-XHTR-74Q1Z
X24R-Y2Q9-FRU11
0PM8-J2YD-VTJVP
GN1Z-NH1X-PZ78Y