All told, it's an impressive accomplishment, and a great start for the series on the Nintendo 3DS. I have no idea what the future holds, but for another few years at least, the beat will go right on for what may be the most important series on any Nintendo platform
Console launches typically feature two types of games. There's innovative genre-defining icons... and then there are the games that will be forgotten in a few months time. While Cerny may have defined a generation of platformers with Crash Bandicoot, Knack will be as fondly remembered as Genji: Days of the Blade is today.
At launch, Killer Instinct serves as a solid foundation for what could eventually become a good fighting game. More characters and stages are coming down the line, but at launch, the game's limited single and multiplayer modes are glaring and will grow stale quickly.