Webzen releases MU Online, a fantasy MMORPG developed in South Korea, marking its entry into the online gaming market.
A new playable character class, Elf, is added to MU Online, expanding gameplay options and strategies.
Webzen launches Season 2, introducing new maps, items, and gameplay features to the MU Online community.
MU Online officially launches its North American servers, expanding the game's reach to Western audiences.
Season 3 update brings third character class improvements and new content, enhancing player experience.
Webzen releases Season 4 along with the Blood Castle event, a popular PvP and PvE activity within MU Online.
Webzen launches MU Origin, a mobile adaptation of MU Online, targeting mobile gamers and expanding the franchise's presence.
Season 6 is released, featuring the introduction of Pentagram items and new gameplay mechanics.
Webzen unifies various regional servers into a global server to foster a worldwide MU Online community.
MU Online celebrates 20 years since its initial release, marking a significant milestone in the MMORPG gaming genre.
The supreme deity creates the world of MU, forming its lands, creatures, and the fundamental sources of magic that govern the world.
An ancient human civilization arises on MU, mastering early magic and technology, laying the foundations for future societies.
Dark forces manifest in MU, giving rise to the Dark Lords who challenge the balance of light and darkness.
A massive war erupts between the forces of light and darkness, causing widespread destruction across MU.
The Light warriors manage to seal the Dark Lords in the depths of MU to prevent their resurgence.
Adventurers discover the Kalima Dimension, a realm filled with powerful monsters and valuable treasures.
A mystical dungeon known as the Dungeon of Harmony is discovered, serving as a place to test strength and earn glory.
Kundun, the Dark Lord's emissary, awakens and begins to spread chaos throughout MU once again.
A group of elite warriors called Mu Soldiers are formed to protect the land and maintain peace against rising threats.
A fierce battle takes place in the snowy lands of Devias between the Mu Soldiers and invading dark forces.
The Kanturu Fortress is established to guard against deeper incursions from dark beings within MU.
Powerful Bloodangel demons invade MU, threatening the safety of all inhabitants.
Elvenkind reveals themselves to the world, aligning with humans in the struggle against darkness.
Aida, the ancient guardian, causes a cataclysmic event as dark energy threatens to consume the world.
The forces of light, humans, elves, and Mu Soldiers unite to restore balance to MU after the Cataclysm of Aida.
