I don't know if the cheapest but I use an emulator and dolphin bar to use a wiimote as my gun to play that and any other gun game. Its really the best way to do it since you can play any game that requires a gun on any tv.
I don't know if the cheapest but I use an emulator and dolphin bar to use a wiimote as my gun to play that and any other gun game. Its really the best way to do it since you can play any game that requires a gun on any tv.