Game Controls
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MU Online requires a mouse and keyboard to play. This is a full list of all in-game controls such as menu hot-keys and other game shortcuts.


Basic Controls
  • Left click: action button.
  • Right click: alternate action button.
  • Middle click: starts/stops MU Helper.
  • Scroll wheel: zooms the camera in/out.
  • 1 ~ 9 & 0: switchs between skills.
  • Q, W, E, R: quickly use consumable items.
  • Space Bar: pick up items on the ground.
  • Ctrl: hold this key to attack other players!
  • Ctrl + Z: mount Muun item.
  • Alt: toggles the display of names of items on the ground.
  • Alt + Right click: opens Character Commands when clicked on another character.
keyboard controls
Shortcuts
Keyboard Shortcuts:
  • I, or V: opens the character inventory.
  • I, then S: - opens the Personal Store window.
  • K: opens tthe Gremory Case.
  • C: opens the character's stat menu.
  • U: opens the character's skill tree.
  • Z: opens the MU Helper settings.
  • M: opens the warp window.
  • T: opens the quest window.
  • Y: opens the Muun inventory.
  • D: opens a list of character commands.
  • F: opens the Friends List and Mailbox.
  • B: opens the Gens information window.
  • G: opens your guilds information.
  • A: opens the Master Skill Tree window.
  • Ctrl + A: opens the Enhance Skill Tree window.
  • Ctrl + V: opens the event inventory window.
  • N: opens party & guild matching.
  • X: opens the Cash Item Shop.
  • P: opens the Personal Store List.
  • J: opens the Facebook app window.
  • END: opens the Hunting Log.
  • O: opens the Option Menu.
  • ESC: opens the System Menu.
  • F1: opens the in-game Play Guide.
  • F2: opens the Block Users window.
  • Tab: opens the mini-map:
    • use ] to increases opacity
    • use [ to decreases opacity
    • use - to reduces size
    • use + to increases size
Chat Box Shortcuts:
  • Enter: opens the chat box.
  • Up\Down Arrow: rewrites previously sent messages.
  • F5: toggles the chat box display.
  • F9: toggles the Gens chat display.
  • F10: toggle public chat display.
  • F11: displays the most recent message.
  • F12: toggles Guild chat display.
chat box
Page updated May 08, 2025 || b2023.09.11.001
Owned by Izak Thompson
All Rights Reserved || Copyright © 2012 ~ 2025
*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. Voluntary legal agreement established in 2021.