The following are known Action Replay Codes for Paper Mario: The Thousand-Year Door on Nintendo GameCube (GCN).
Master Code – Must Be On
P135-V0PR-QJRJ8
Q3QX-C1DQ-RG4R0
Mario: Max/Infinite Health
6C7F-8QAG-7PJ6K
WF7Z-ZCC1-AXV7R
YUDW-CT03-5PC7R
H3U3-GEJV-RYEFF
4C55-64R9-WF6F8
CA3T-WZDN-HMMKQ
Goombella: Max/Infinite Health
3Q9W-MB06-QAB57
N0XT-3P1P-G9NJD
XNGG-H2MP-7Q4AB
751H-FHZN-3UK6J
Don’t Swap Partners In-Battle
Max/Infinite Money
TZNF-JADE-DXT4A
0RZZ-J4Y9-TBE33
Hold L+A For Super Jump
TM66-A07A-ZYZZ4
1FXE-CN6D-5ZD87
EZAR-0D1K-CQRC4
Quick Level Up
3DVU-JX70-RYEG7
RQRQ-ACHM-6Q593
2R7Q-RP8W-GBGN1
Infinite Star Pieces
9VC0-J1PU-JQTJJ
1KV5-KKTW-MZE9R
Infinite Shine Sprites
FQKY-071D-H6R3H
RZ93-MQDX-1EDM2
Max/Infinite Flower Points
H540-TEZF-ND8Y4
1MN4-A9DH-UPY0C
R9FJ-27AD-U1KCM
HDCX-QV8Q-ZVC34
UN29-KPZG-63NBG
Max/Infinite Badge Points
0N9D-2TT4-4JAF1
H47P-WPMU-YX468
Have All Badges
ZU0H-FB5E-5DVHE
V4JC-JB0K-ZKQW9
U4MJ-85B2-DFGAT
Master Code – Must Be On
P135-V0PR-QJRJ8
Q3QX-C1DQ-RG4R0
Mario: Max/Infinite Health
6C7F-8QAG-7PJ6K
WF7Z-ZCC1-AXV7R
YUDW-CT03-5PC7R
H3U3-GEJV-RYEFF
4C55-64R9-WF6F8
CA3T-WZDN-HMMKQ
Goombella: Max/Infinite Health
3Q9W-MB06-QAB57
N0XT-3P1P-G9NJD
XNGG-H2MP-7Q4AB
751H-FHZN-3UK6J
Don’t Swap Partners In-Battle
Max/Infinite Money
TZNF-JADE-DXT4A
0RZZ-J4Y9-TBE33
Hold L+A For Super Jump
TM66-A07A-ZYZZ4
1FXE-CN6D-5ZD87
EZAR-0D1K-CQRC4
Quick Level Up
3DVU-JX70-RYEG7
RQRQ-ACHM-6Q593
2R7Q-RP8W-GBGN1
Infinite Star Pieces
9VC0-J1PU-JQTJJ
1KV5-KKTW-MZE9R
Infinite Shine Sprites
FQKY-071D-H6R3H
RZ93-MQDX-1EDM2
Max/Infinite Flower Points
H540-TEZF-ND8Y4
1MN4-A9DH-UPY0C
R9FJ-27AD-U1KCM
HDCX-QV8Q-ZVC34
UN29-KPZG-63NBG
Max/Infinite Badge Points
0N9D-2TT4-4JAF1
H47P-WPMU-YX468
Have All Badges
ZU0H-FB5E-5DVHE
V4JC-JB0K-ZKQW9
U4MJ-85B2-DFGAT