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MechWarrior Online

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MechWarrior Online
MechWarrior Online cover
Piranha Games
2011-2014 Infinite Game Publishing
2014-present Piranha Games
CryEngine 3
Release dates
Windows September 17, 2013
Monetization Free-to-play
Microtransactions Cosmetic, Unlock
Modes Multiplayer
Pacing Real-time
Perspectives First-person, Third-person
Controls Direct control
Genres Vehicle combat
Vehicles Robot
Themes Sci-fi
Series MechWarrior
MechWarrior Online on MobyGames
MechWarrior Online on Wikipedia
Subseries of BattleTech
MechWarrior 1989
MechWarrior 2: 31st Century Combat 1995
MechWarrior 2: Mercenaries 1996
MechWarrior 3 1999
MechWarrior 4: Vengeance 2000
MechWarrior 4: Mercenaries 2002
MechWarrior: Living Legends (unofficial game) 2009
MechWarrior Online 2012
MechWarrior 5: Mercenaries 2019
MechWarrior 5: Clans 2024


This game requires a constant internet connection for all game modes.

MechWarrior Online is a multiplayer first-person and third-person vehicle combat game in the MechWarrior series.

General information

Official Website
Official Forums
Mech builds forums
Steam Community Discussions


Source DRM Notes Keys OS
Official website
Always online (requires a constant internet connection to play)
Icon overlay.png
Always online (requires a constant internet connection to play)
All versions require an MWO Account and a constant internet connection for all game modes.

Game data

Configuration file location

System Location
Windows <path-to-game>\user.cfg[Note 1]
Steam Play (Linux) <Steam-folder>/steamapps/compatdata/342200/pfx/[Note 2]
Make sure to not violate the Terms of Use when modifying the user.cfg file. More details available here.

Save game cloud syncing

System Native Notes
Steam Cloud


Field of view (FOV)

Set FOV in user.cfg[citation needed]
  1. Go to the installation folder.
  2. Edit user.cfg.
  3. Add or edit the line cl_fov = 60 (replace with the FOV you want).
  4. Save your changes.



Audio feature State Notes
Separate volume controls
Effects, Music, Dialog.
Surround sound
Closed captions
Mute on focus lost
Royalty free audio


Language UI Audio Sub Notes


Multiplayer types

Type Native Players Notes
Local play
LAN play
Online play
24 Players can form groups from 2 to 12 mechs (11 is not permitted). Groups of 2, 3, 4 mechs will be matched with solo players and other 2-4 groups.
Groups of 5 to 12 will be matched with other 5-12 groups only.

Connection types

Type Native Notes
Relies on an Elo rating system. The ELO score is not displayed.
North American, European and Oceanic servers.
Direct IP

VR support

Devices State Notes
Supports: Yaw, Pitch, Roll, X, Y, Z.

Other information


Technical specs Supported Notes
Direct3D 9.0c, 11
Executable 32-bit 64-bit Notes
32-bit support was eventually discontinued.


Middleware Notes
Audio FMOD

System requirements

Minimum Recommended
Operating system (OS) XP
Processor (CPU) Intel Core 2 Duo 2.66 GHz
AMD Athlon II X2 245e
System memory (RAM) 4 GB
Hard disk drive (HDD) 8 GB
Video card (GPU) Nvidia GeForce 8800 GT
AMD Radeon HD 5600
DirectX 9 compatible
A 64-bit operating system is required.


  1. When running this game without elevated privileges (Run as administrator option), write operations against a location below %PROGRAMFILES%, %PROGRAMDATA%, or %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore on Windows Vista and later (more details).
  2. File/folder structure within this directory reflects the path(s) listed for Windows and/or Steam game data (use Wine regedit to access Windows registry paths). Games with Steam Cloud support may store data in ~/.steam/steam/userdata/<user-id>/342200/ in addition to or instead of this directory. The app ID (342200) may differ in some cases. Treat backslashes as forward slashes. See the glossary page for details.