Classic MMORPG to play today: internet-café MU in your browser

The MU Online of the internet-café days is still playable, and now it opens in your browser. Idle MU runs the original PC client, Season 6 Episode 3, in a Chrome, Edge or Firefox tab, with nothing to download or install.

The MU you remember

Lorencia, Noria and Devias, with the same music, monsters and maps.
The five classic classes: Dark Knight, Dark Wizard, Fairy Elf, Magic Gladiator and Dark Lord.
Jewels, wings and the Chaos Machine: Bless, Soul and Chaos are still worth their weight in gold.
The events of the era: Blood Castle, Devil Square, Chaos Castle and the invasions, every day.
The same keys and commands you still know by heart. See keys and commands.

What changed for the better

Back then	On Idle MU
Download the client and apply patches	Open the site and play
Hours at the PC to level up	Auto farm with the tab minimized
Only on the computer where it was installed	On any PC with Chrome, Edge or Firefox

Why Season 6

Season 6 Episode 3 has level 400, Master Level, high-level maps and the classic events, still with the look and pace of old-school MU.

How to start

Create your account. Just a username and password.
Click Play now. The first time, the browser downloads about 80 MB; after that, it opens in seconds.
Pick the channel, create your character and start in Lorencia.

Frequently asked questions

Is it the same MU I used to play?

It is the original MU Online PC client, Season 6 Episode 3, with the same graphics, maps, classes and keys.

Do I need to install the game?

No. The game opens in the browser tab, on Windows, Mac or Linux.

Can I play on my phone?

No. The game needs a computer with a mouse and keyboard.

Is it free?

Yes. Creating an account and playing costs nothing. The store never sells items, jewels, levels or resets.

Is this the official MU Online?

No. Idle MU is an independent server, with no ties to Webzen, the owner of the MU Online brand.