Action Replay Stadium & Stadium 2 (GS)
Warning, there is a possibility that these codes can possibly damge or destroy your game save files. Please use these codes at your own risk.

Stadium I

Must Be On
de0004000000

P1 Inf HP In Battle All Pokemon
81285a1803e7

P2 Inf HP In Battle All Pokemon
8128643803e7

P1 Pokemon 1 Max HP
810ae58603e7

P1 Pokemon 2 Max HP
810ae5da03e7

P1 Pokemon 3 Max HP
810ae62e03e7

P2 Pokemon 1 Max HP
810ae7a203e7

P2 Pokemon 2 Max HP
810ae7f603e7

P2 Pokemon 3 Max HP
810ae84a03e7

P1 Pokemon 1 Inf Spells
810ae580ffff
810ae582ffff

P1 Pokemon 2 Inf Spells
810ae5d4ffff
810ae5d6ffff

P1 Pokemon 3 Inf Spells
810ae628ffff
810ae62affff

P2 Pokemon 1 Inf Spells
810ae79cffff
810ae79effff

P2 Pokemon 2 Inf Spells
810ae7foffff
810ae7f2ffff

P2 Pokemon 3 Inf Spells
810ae844ffff
810ae846ffff

Have All Pikachus/Magnemites
801183bc0000
801183bd0000
801183be0000

Stadium II (GS)

Enable Code (Must Be On)
DE0004000000
F100B6A00000
F100B6A20000
F10851900000
F10851920000
F107A2140000
F107A2160000

Gutsy Golbat: P1 Score 10
d1176fbe0001
81176fbe000a

Gutsy Golbat: P1 Score 0
81176fbe0000

Gutsy Golbat: P2 Score 10
d1176fea0001
81176fea000a

Gutsy Golbat: P2 Score 0
81176fea0000

Gutsy Golbat: P3 Score 10
d11770160001
81177016000a

Gutsy Golbat: P3 Score 0
811770160000

Gutsy Golbat: P4 Score 10
d11770420001
81177042000a

Gutsy Golbat: P4 Score 0
81177042000a

P1: Hit Z for Infinite HP 1st Pok.
d112b5542000
8114528e00ff
d112b5542000
8114529000ff

P1: Hit Z for Max L. 1st Pok.
d112b5542000
811452840063

P1: Hit Z for Infinite HP 2nd Pok.
d112b5542000
811452e600ff
d112b5542000
811452e800ff

P1: Hit Z for Max L. 2nd Pok.
d112b5542000
811452dc0063

P1: Hit Z for Infinite HP 3rd Pok.
d112b5542000
8114533e00ff
d112b5542000
8114534000ff

P1: Hit Z for Max L. 3rd Pok.
d112b5542000
811453340063

Press R To Reset Time(Quiz)
801ce0660010
81183acc0063

Max Score(Quiz)
d117f81203e7
8117f81203e7

P1: Press R+L To KO Opponents
d10ce0660030
801457670000
d10ce0660030
801457c70000
d10ce0660030
8014576f0000
d10ce0660030
8014581f0000

Inf+Max HP(In Bat.)Gold+Silver
801aafbd00ff
801aafbf00ff

Inf+Max HP(1st Pokemon)G+S
801abeed00ff
801abeef00ff

Inf+Max HP(2nd Pokemon)G+S
801abf1d00ff
801abf1f00ff

Inf+Max HP(3rd Pokemon)G+S
801abf4d00ff
801abf4f00ff

Inf+Max HP(4th Pokemon)G+S
801abf7d00ff
801abf7f00ff

Inf+Max HP(5th Pokemon)G+S
801abfad00ff
801abfaf00ff

Inf+Max HP(6th Pokemon)G+S
801abfdd00ff
801abfdf00ff

Inf. PP(1st Pos.)Gold+Silver
801aafb40063
801abee10063

Inf. PP(2nd Pos.)Gold+Silver
801aafb50063
801abee20063

Inf. PP(3rd Pos.)Gold+Silver
801aafb60063
801abee30063

Inf. PP(4th Pos.)Gold+Silver
801aafb70063
801abee40063

One Hit Kills(Gold+Silver)
801ab5a00000

Max. Attack(Gold+Silver)
801ab4d200ff
801abef100ff

Max. Defense(Gold+Silver)
801ab4d400ff
801abef300ff

Max. Spec.Attack(Gold+Silver)
801ab4d600ff
801abef500ff

Max. Special Defense(G+S)
801ab4d800ff
801abef700ff

Max. Speed(Gold+Silver)
801ab4da00ff
801abef900ff