I believe this game was brought up a few times here, it was an indie mmorpg of sorts inspired by Secret of Mana and classic SNES rpgs like that.

The first article I ran into about it after deciding I need more info to show than just 'I got it in an email newsletter!' was this.

http://indiestatik.com/2013/11/07/se...ystal-kingdom/

^ This article goes into pretty much the same details I was going to bring up.