ZzangOnline is a horizontal scroll casual MMORPG. It's an easy to play game. There are other similar games i.e. Dungeon & Fighter, Quest Play, Get Amped, and GemFighter, etc.
Unlike other existing casual games, ZzangOnline has 3D characters, instead of cartoon renderings. It has dynamic actions and a slow motion feature for battling enemies. The Battle zone is a PvP mode. Up to 4 are allowed to participate to clear quests.
Speaking of a 'battle zone', there are 'Sun' and 'Judgment' opposing to each other also in the game. Gamers are to occupy the 'battle zone' through battles in the system.