Gameshark Snap
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.

Enable Code (Must Be On)
DE000400 0000
F103D8A0 2400

Have All Levels
810C2212 0006

Have Apple
803AE51F 0001

Have Apple and Bomb
803AE51F 0002

Have Apple, Bomb, and Flute
803AE51F 0004

See Entire Introduction Fully & Various In-Game Effects
81049C7E 025A

Missing Polygons
81049C7C FCF

Can't See Some Pokemon
8120A2AC 453F

Sound Modifier
800E8375 00??

Control Stick Modifier
800E8396 00??

Z-Button Switch Modifier
800E8395 00??

Missing Polygons
81049C7C FCF6

Hide First Digit In Roll Of Film
80388F5A 009D

Dizzy Wold Modifier
81040CFA XXXX
Replace XXXX with:
0943 - No Pokemon
0E44 - Pester/Mew's Pokeball Is Bigger

Rapid-Fire Apples and PesterBalls
80382CB7 0000

Always Have 65535 Types Of Pokemon When Multiplying For The Score 1
8024A1DB FFFF

Press L Button To Pull Mew Closer To Camera
D00489E1 0020
8118C890 4300
Use the code, then when you get Mew out of his ball, hold the L button and he should be right at the side of you!

Press L For Point Modifier For Size
D00489E1 00??
81232E52 ????
*With this code, you must press and hold the L Button from the time it says 'How's The Size?' and then after it shows your 'Total' has gone up, let go of the L Button.

Press L To Stop On Beach Level
D00489E1 0020
802020F5 0001

Press L To Stop On Tunnel Level
D00489E1 0020
801DDC55 0001

Press L To Stop On Volcano Level
D00489E1 0020
801FC5C5 0001

Press L To Stop On River Level
D00489E1 0020
801EF96D 0001

Press L To Stop On Cave Level
D00489E1 0020
80202225 0001

Press L To Stop On Valley Level
D00489E1 0020
801D9ABD 0001

Press L to stop the level and Start to continue the level again.