Naddic Games announced their new online action RPG called Closers.
The closed beta testing phase began for selected players to experience and provide feedback on Closers.
Closers was officially released for South Korean players, marking its initial entry into the market.
En Masse Entertainment announced they would publish the English version of Closers for North American and European audiences.
Closed beta tests for the English version of Closers took place, inviting players outside South Korea to experience the game.
The English version of Closers was officially released in North America and Europe by En Masse Entertainment.
En Masse Entertainment announced closure of Closers service in North America and Europe, with servers shutting down.
Naddic Games began operating Closers' global service directly with multiregional servers to continue support worldwide.
Dimensional gates start appearing all over the world, bringing monsters from another dimension known as the Other Side.
The global scientific and military organizations unite to form the Closers Task Force, recruiting gifted individuals called 'Closers' to battle the interdimensional threat.
Seha Lee, a talented psychic combatant, joins the Closers Task Force as the first operational Closer.
Closers face their first large-scale confrontation against the dimensional monsters in New Seoul, marking a turning point in the war.
Scientists discover that dimensional gates are powered by mysterious Gate Cores, which become the focus of strategic efforts to close the gates.
More gifted individuals from different countries are recruited, expanding the Closers Task Force globally.
Closers reveal that the Julius Research Foundation has been conducting secret experiments linked to the Other Side and gate generation.
The Closers launch a coordinated assault to destroy the largest dimensional gate in Seoul and sever the monster invasion route.
Following the assault, several dimensional gates close temporarily, providing a short respite for humanity.
Monsters with enhanced abilities begin to appear, indicating an evolving threat.
