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The most recent incarnation of Sevencore is being published by Webzen (of "Age of Wulin", "Flyff", "Rappelz" fame,etc.). It can be found here:
There were a few more folks online than the last time I tried to play when "Route Entertainment" was publishing the game. The game itself is fun, but I'm not about to spend any money on it only to see the game disappear again and I lose my unspent credits.