How Do I Enter Gameshark Cheats??

[Tweekz]

Can Someone Explain To Me How I Enter Gameshark Code??

[montpics]

For which console/handheld? :)

[jakep2007]

lets say for the virtual boyadvance.. im playing a game and i would enjoy cheating =)

[ticktock]

Go to cheats>cheatlist and if you can't do the rest on your own, set your computer on fire

[Flames]

and for gbc?how are the cheats set up