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UD Online game overview

UD Online
Game genre: MMORPG
Available regions:
Game setting: Fantasy
Release date: June 1, 2024
Game class / Title: B
Game engine Unknown
Free to Play

UD Online, developed by a renowned Korean game studio, is an MMORPG that primarily focuses on martial arts. Released initially in 2019, the game quickly captured the attention of adult gamers with its mature themes and intricate combat mechanics. The game is available on multiple platforms, including PC and various gaming consoles, making it accessible to a wide range of players.

One of the standout features of UD Online is its emphasis on an endless war between two factions. This war is brought to life through various battle modes such as Battle for the Flag, Fight, and Destruction. Players can engage in these modes, strategizing and battling against opponents in a bid to bring glory to their chosen side. The game's detailed costumes and character designs, which include provocative elements for both male and female characters, add a layer of visual appeal that resonates with its adult audience.

The development of UD Online took approximately three years, with a dedicated team of developers and designers working tirelessly to bring the game to life. Despite the effort, the game faced challenges upon release, including criticisms of outdated graphics and less-than-perfect combat mechanics. These issues likely contributed to its closure just a year after the Open Beta Testing (OBT) phase. Nevertheless, the game managed to build a dedicated player base, boasting approximately 50,000 active players daily during its peak and amassing a total player base of around 1.5 million over its lifetime.


From the editorial team at MMOTOP.ORG, UD Online presents itself as a bold attempt to capture the martial arts MMORPG market. The game excels in its thematic presentation and battle modes, offering a unique experience for fans of the genre. However, it falls short in terms of graphical quality and combat fluidity, which are critical aspects for any modern MMORPG. While the game has its flaws, it still offers a compelling experience for those who appreciate its unique focus and mature themes. Overall, we rate UD Online a 55 out of 100, acknowledging its efforts and the niche audience it serves.


What platforms is UD Online available on?

UD Online is available on PC and various gaming consoles.

When was UD Online released?

UD Online was released in 2019.

How many active players did UD Online have at its peak?

At its peak, UD Online had around 50,000 active players daily.

Why was UD Online closed?

UD Online was closed a year after its OBT phase, likely due to outdated graphics, imperfect combat mechanics, and a lack of competitiveness.

What are the main features of UD Online?

The main features include an endless war between two factions, various battle modes such as Battle for the Flag, Fight, and Destruction, and detailed character designs.

Game information last update: 26.04.2024

UD Online System Requirements

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UD Online guides & wiki

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UD Online private servers

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