Yo-kai Watch

Youkai Watch is JRPG for the 3DS developed and published by Level 5.

Gameplay
Youkai Watch in a way has similarities to Pokemon. The main goal of the game is to collect all the Youkai.

Reception
Famitsu reviewed it quite well giving it a 36 (9,9,9,9) out of 40. It's first week was middling for a new Level-5 IP, selling about 53,654 according to Media Create. However, as it went and the anime started airing, the game sold a lot more, repeatedly staying in the top ten of the week for several weeks. It has currently sold 754910 as April 20, 2014 with most of those sales coming in 2014

Other Media
In addition to the game, Level 5 started airing an anime animated by OLM, Inc. for the show in January 2014. It rapidly gained popularity climbing the ratings to approach shows like Pokemon.

There is also 2 mangas ongoing for the series; a shounen one that started in CoroComic in 2012, and a Shoujo one that started serialization on December 27, 2013 in Shogakukan's Ciao magazine