What is "cronous"

Cronous: The Shadow of Conspiracy is an action MMORPG. A player attacks monsters and accumulates experience by solving a high number of quests. Accumulated experience is reflected in the player’s level and he can use a special item according to the level, or he can use skills at that certain level. Also he can use various skills by his own special combination. Cronous is a very challenging MMO that will take lots of patience and grinding to go far.