Ok, so for example I am on 5.something, not sure what exactly as I am not near the system at the moment, but not the latest version. If I were to put Splatoon in my console, would I be able to offline, or it just wouldn't start at all?
I have a Wii U that I got from a friend who went off to college. Unfortunately, he bricked the vWii part :P and the Wii U gives error codes when updating. The download of the update works, but the installation of the update fails. Do some Wii U games have requirements for the system firmware...