first check to make shure the code is typed in correctly.If its a code the actoin replay
comes with then it just might not work in multiplayer not all codes do.If your shure its
typed in correctly and it still dosn't work the code might just be bogus.If all else fails
then you actoin replay or game is probably broken.If thats it then sorry but newer actoin
replays have more codes built in than the first ones.If i helped you im happy if you have
to buy a new actoin replay than sorry.(: