I just got my WiiKey in the mail today and I'm having some issues.
I have a legit copy of both Naruto Gekitou Ninja Taisen 4 (for the gamecube) and a legit copy of Naruto Gekitou Ninja Taisen EX (for the Wii). Taisen 4 (gamecube) works fine on my Wiikey-modded system. Taisen EX shows the game...