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Game Basics...
Related Links: [Controls] - [Personal Store] - [Party] - [Guild] - [Gens] - [MU Helper]
Jump to: Character Display - [Character Commands] - [Warp Command] - [Gremory Case] - [Chat Box] - [Emotes] - [Facebook] App - [Option Menu] - [Play Guide]
There is a lot of stuff going on in MU Online. There are a lot of in-game features, tools, and other kinds of game systems all happening at the same time. Use this page to help you better understand the basic game mechanics of MU Online!

User Interface
  • The [Cash Item Shop] is used to purchase [Premium Items], such as Premium Buffs or EXP Boosting items!
  • The [Character] menu displays the characters current Stats and details about your character's status. When your character level increases, use this menu to increase your Stats!
  • There are 3 different types of [Inventory] storage: [Item Inventory], [Muun Inventory], and the [Gremory Case].
  • The [Skill Menu] displays all obtainable character skills and Skill Imprint information.
  • You can assign most consumable items into [Quick Slots] by dropping items in the slots.
  • The [Quests] menu displays all Quest and any Mini-game information.
  • The [Community] tab opens things like the [Friend Menu], [Gens Menu], [Guild Menu], and [Matching] feature.
  • The [System] tab opens things like the [Play Guide], [Warp Command Menu], [Option Menu], [SNS] feature, [Private Store List], and [System Menu].
  • The [Experience Bar] displays the needed [Experience Points] to increase [Character Level]. One bar visually represents 1/10 of the entire amount of EXP needed to level up. Therefore, there are ten EXP bars needed for one level. (The number next to the EXP bar shows which bar you are on.)
User Interface
  • The [Coordinates] area shows the Server number, current Map, and the exact location of the character by coordinates. You can quickly switch Servers by clicking the Server number area.
  • [MU Helper] is a tool that you can use to assist with combat. You can configure many settings such as automatically attacking monsters or using potions automatically.
  • The [Party] menu shows all Party Members and their Buffs and Debuffs, but doesn't show Premium Buffs.
  • The [Mini-game] interface shows current in-game and on-going mini-games. Click the image to open the event interface or warp to the mini-game.
Quest Information Window
  • The Quest Window displays real-time information of quests.
  • Click the Quest Window to open a quest's full details in the [My Quest] menu.
  • When a quest is completed, you can click the quest interface to claim the rewards.
[Mini-game] Notifications
[Event] Notifications
  • [Event]: displays the character's [Event Inventory].


Character Display
On-screen character information
  • 1): [Gens] symbol
  • 2): [Guild] and [Guild Alliance] name
  • 3): [Character Name]
  • 4): Equipped [Pentagram] [Elemental Type]
  • 5): Public chat message
  • 6): System message
  • 7): [Guild] chat message
  • 8): [Gens] chat message

[Personal Store]
  • A character's [Personal Store] open for trading.
  • Use the character command "buy" to look at their store.

[Character Commands]
  • [Hot-key]: [D]
  • You can also use [Alt] + [Right Click] on any nearby character to open the [Quick Command] menu.
  • The [Whisper], [Add Friend], [Guild] request, and [Suspend Hostilities] features can only be used via the full command menu.
  • The [View Hunting Log] and [Assign Helper] features can only be used via [Quick Command] menu.

[Character Commands] [Quick Command Menu]

Warp Command
  • [Hot-key]: [M]
  • All characters can use this feature to instantly move to another [Map].
  • It cost [Zen], as a fee, to use this feature.
  • Most [Maps] can be entered for free, if you choose to walk there instead.
  • Each [Map] has a unique [Character Level] requirement to enter, and to use the [Warp Command].
  • You can set [Favorite Maps] by clicking the check box in the [Warp Command Menu].
  • [Favorite Maps] will always be listed at the bottom, for easy use.
  • Up to 5 [Favorite Maps] can be set; uncheck any check box to remove a [Map] from the [Favorite Maps] list.
  • The [Maps] on the list can be sorted by [Monster Level] or by alphabetical order.
  • Hovering over a [Map] name will display general information about a monster in that area.

[Warp Command]

[Gremory Case]
  • [Hot-key]: [K]
  • The [Gremory Case] stores rewards items from [Mini-games] and [Events].
  • Items stored in the [Gremory Case] have an expiration date.
  • Items will be deleted if they are not claimed by the expiration date.
  • A maximum of 50 items can be stored in the [Gremory Case].
  • [Character] storage tab displays items acquired through that specific character.
  • Rewards from the following [Mini-games] will be stored in the [Gremory Case]:
    • [Chaos Castle]
    • [Blood Castle]
    • [Devil's Square]
    • [Illusion Temple]
    • [Doppelganger]
    • [Maze of Dimension]

[Gremory Case]

[Chat Box]
[Public] chat
  • [Hot-key]: [Enter]
  • Press [Enter] again to send a typed message.
  • There are 6 types of chats:
    • [Public] chat - anyone can see this.
    • [Whisper] chat - only the sender and receiver can see this.
    • [Party] chat - only [Party Members] can see this.
    • [Gens] chat - only [Gens Members] can see this.
    • [Guild] chat - only [Guild Members] can see this.
    • [Guild] [Alliance] chat - only [Guild Members] and any [Alliance] [Guild Members] can see this.
  • Chat message shortcuts:
    • Type the character shown, before your message, to send a message to the desired chat.
    • For example, "~Hi guys!" would send the text "Hi guys!" to the [Party] chat.
    • [~]: [Party] chat.
    • [@]: [Guild] chat.
    • [@@]: [Guild] [Alliance] chat.
    • [$]: [Gens] chat.
    • [#]: makes [Public] chat appear longer, in the game (above the character's head).
[Chat Box]
[Chat Box] options
[Chat Box] [Hot-keys]
  • [Block] list: [F2]
  • Toggle [Whisper] chat display: [F3]
  • Change [Chat Box] size: [F4]
  • Toggle [Chat Box] display: [F5]
    • Default + background
    • Default with no background
    • [System Messages] only + background
    • [System Messages] only with no background
  • Toggle [Gens] chat display: [F9]
  • Toggle [Public] chat display: [F10]
  • Display the most recent message: [F11]
  • Toggle [Guild] chat display: [F12]

[Emote] chat [Emote] [Rush]
  • [Emotes] can be performed by saying key-words in the [Chat Box].
  • [Emotes] can be performed without displaying chat by placing "/" in front of a key-word.
  • [Emotes] example: "/Hello" will trigger the [Bow] emote, without displaying the chat.
  • [Bow]: [Hi] [Hello] [Welcome] [Thanks]
  • [Wave hand]: [Goodbye] [Bye]
  • [Laugh]: [Haha] [Hehe] [Hoho] [^^] [^_^] [^.^]
  • [Scratch head]: [Sorry] [;]
  • [Cross arms]: [Huh] [Pooh] [-.-] [-_-]
  • [Wave arms in the air]: [Great]
  • [Arm thrust]: [OK] [Again]
  • [Slow arm thrust]: [Victory] [Win]
  • [Point ahead]: [There] [That]
  • [Thrust and point ahead]: [Rush]
  • [Clap with arm thrust]: [Cheer]
  • [Shiver]: [Cold]
  • [Beckon]: [Come] [Here]
  • [Shake head]: [Cry] [Sad] [T_T]
  • [Refuse]: [Never] [Not]
  • [Clap hands]: [Good] [Wow] [Nice]
  • [Kneel]: [Respect] [Defeated]
  • [Salute]: [Sir]
  • [Pelvic thrust]: [Hustle]
  • [Dance]: [Dance]
  • [Examine]: [Look around]
  • [Yawn]: [Tired] [Sleepy]
  • [Taunt]: [Come on]

[Friends] & [Mail]
[Friends List]
  • [Hot-key]: [F]
  • The [Friends List] shows which [Server] any friends are currently in.
  • You can also open a private chat window with friends.
  • The [Letter Box] shows [Mail] that has been received.
  • A notification icon will appear when new [Mail] is received.
[Letter Box] [Mail] notification

[Facebook] App
  • [Hot-key]: [J]
  • [System] -> [Connect to SNS]
  • You can connect your character to your [Facebook] account, through an app, to receive notifications about in-game activity.
  • Types of notifications:
    • Item obtained
    • Item obtained via [MU Helper]
    • Item sold via [Personal Store]
    • Character death
    • [Character Level] increase
  • [Connect]: Opens the link to the [Facebook] app in a new window.
[Connect To SNS]

[Option Menu]
[Option Menu] [System] options
  • [Hot-key]: [O]
  • [System] -> [Options]
  • [Automatic Attack]: when attacked by a monster, the character will automatically attack back.
  • [Slide Help]: toggles the display of the help information displayed at the top of the game client.
  • [Monster Display]: toggles the display of monster names.
  • [Whispering]: toggles the sound effect of [Whisper] messages.
  • [Name Display]: toggles the display of [Character Names].
  • [BGM On/Off]: toggles background music on or off.
  • [Mute]: mutes all client sound effects and music.
  • [+Effect Limit]: limits the graphical intensity of items with a high [Item Level].

[Play Guide]
  • [Hot-key]: [F1]
  • [System] -> [Play Guide]
  • Some of the information displayed on the [Play Guide] is not always up-to-date.


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*WEBZEN IP, game content, and materials are trademarks and copyrights of Webzen Inc., and its Licensors, and is used with permission. © Webzen Inc. All rights reserved. The MU logo and the Webzen logo are trademarks of Webzen Inc.