Shrek: Reekin' Havoc Gameshark Codes (USA)
This page contains Gameshark cheat codes for Shrek: Reekin' Havoc (USA). If you're playing on an emulator you can usually input codes very easily by accessing a tab off the top of the toolbar. Anyone playing on a physical Gameboy will need to purchase a physical Gameshark device to use these codes.
If you're using an emulator and still can't figure out how to setup these codes, you're in luck! There's two common emulators for GBA games, the mGBA and VisualBoy Advance. Follow the link provided for the emulator you're using to be taken to a guide explaining how to get these codes working.
Don't see the code you're looking for on this page? Head on over to my Shrek: Reekin' Havoc (USA) CodeBreaker Codes and check for your code there instead!
Invulnerability: 0200952F 00000001
Unlimited Lives: 0200003E 00000003
Unlimited Leaves: 02009530 0000000B
Faster Score Gain: 12004DA4 0000FFFF
Max Coins: 02004D9D 00000062
Max Health: 02004D9F 0000000D
Max Leaves: 02004DA0 0000000B
50K Tale Bonus Points: 12004104 0000C350
Always Rank A: 020040F8 00000000