Rhythm Heaven isn't Nintendo's best-known series, nor its most prolific. Prior to the launch of Rhythm Heaven Groove on the Switch this week - it's out on July 2nd - there were only four previous entries, one of which was exclusive to Japan. The most recent came out more than a decade ago. Even still, there's a case to be made that this is Nintendo's most consistent franchise. There are few guarantees in life, but a new Rhythm Heaven being great is one of them.
If you're unfamiliar, Rhythm Heaven is sort of like a music-focused version of WarioWare. That means it's a collection of short and bizarre minigames, except these ones all test your …
