How big are Wii U roms?

How big are Wii U roms?
Please note that these are only the sizes of the base install, and some games will require a mandatory update that may be of significant size. As far as external hard-drives go for the Wii U, this is the one I recommend personally, having tried a handful of them.From MB to GB.

Game
File Size

ZombiU
5.6GB

Please note that these are only the sizes of the base install, and some games will require a mandatory update that may be of significant size. As far as external hard-drives go for the Wii U, this is the one I recommend personally, having tried a handful of them.

From MB to GB.

Game File Size
ZombiU 5.6GB