You can tell Nintendo is starting to hit the waning days of a hardware lifecycle when it starts putting out mediocre "Mario" sports games. "Mario Tennis: Ultra Smash" is the Wii U's harbinger, offering a casual package that is bare-bones even compared to 2012's "Mario Tennis Open" on 3DS. If devoted "Mario Tennis" fans exist, they may enjoy seeing the characters realized in gorgeous HD, but even for those hypothetical diehards it's a difficult recommendation to make.
Bigger and smaller
The most notable new mechanic of "Ultra Smash" is the Mega Mushroom from the "New Super Mario Bros." series. Toads...