There is an English version also named 'Nexus the Kingdom'. I'm telling the dev team some ideas and trying to bring Lineage into US market. It's a Massively Multiplayer Online Role Playing Game which is more focused on combat. Game system is rather simple compared to others and interfaces are easy. Actually you can be engaged in combat by just clicking on monsters.
Lineage also has an interesting castle siege system.
There are many advantages to own a castle, for example you can gather taxes from towns around the castle. Well, graphics are influenced from Diablo and combat system from NetHack. Its simplicity in combat. You can download it from our web site. It has been a great success in Korea and Taiwan.