Corum Online has a flurry of quests and a very unique PvP system which consists of battles for the control of certain dungeons that can be controlled by guilds. The game also provides potential for lots of customization for the players.

The PvP system is very unique for Corum Online and it is based on gaining and maintaining the possession of certain dungeons that are scattered throughout the world of Corum. Each of these types of "siege dungeons" provide the owner with either beneficial items or materials that can be used to create unique items. Corum Online also has thousands of items that a player can get in order to improve their characters skills, attributes, or their looks. Players can also learn the skills of a different class.