It depends on what game you want the codes for. If you just talking about the game cube itself then you can use one code. What you do is press and hold the z button and then turn on the game cube.
No, you need action replay for gamecube.
You can't use an SD Card with an GameCube.
no and no. You can only use the codes on the disc.
Yes anything that is below v 1.20 will input codes but you must use an indigo gamecube for this
Yes, you can use it on wii. But I dont know if you can add codes to it?
no but you can use a gamecube controller no but you can use a gamecube controller no but you can use a gamecube controller no but you can use a gamecube controller
you have to get gamecube and then you can talk to people and then tell them codes and they will give you stuff.
No
go on google and write (game name) gamecube action replay codes
No the Action Replay Gamecube will not work with the same codes for Resident Evil 4. You will need to enter the new codes manually to get them to work on the Wii.
You dont
this one has a lot http://www.gamespot.com/gamecube/rpg/animalcrossing/hints.html