Games only possible on Wii U***: 3 minigames found!

[FrancisNobleman]

anything can be ported to whatever system.

portal was ported to the original ds by homebrew devs.

the core game may change a little though. I think the metroid game in nintendoland is an example, can be ported, but loses the charm if it is not presented in the wii u setting.