Doom (1993)

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Doom
Doom cover
Developers
id Software
Mac OS (Classic) Lion Entertainment, Inc.
Linux Dave Taylor
Publishers
GT Interactive
id Software
Engines
id Tech 1
Release dates
DOS December 10, 1993
Linux October 10, 1994
Mac OS (Classic) November 4, 1994
Windows August 20, 1996
macOS (OS X) 2001
Windows (DOSBox) August 3, 2007
Doom (1993) guide on StrategyWiki
Doom (1993) on Wikipedia
Doom
Doom (1993) 1993
Doom II: Hell on Earth 1994
Final Doom 1996
Doom 3 2004
Doom 64 EX (unofficial port) 2008
Doom 3: BFG Edition 2012
Doom (2016) 2016
Doom VFR 2017
Doom Eternal 2020
Doom 64 2020

This page is for the original game. For the 2016 game, see Doom (2016). For the version included in the BFG Edition, see Doom 3: BFG Edition.

Key points

The engine was made open source in 1997.[1]

General information

Doom Wiki
Doomworld — A major fansite for the series
GOG.com Community Discussions for game series
GOG.com Support Page
Steam Community Discussions

Availability[edit]

Source DRM Notes Keys OS
Retail
DRM-free
Regular or The Ultimate Doom.
DOS
Mac OS
Windows
Bethesda.net
Bethesda.net Launcher
Windows
GamersGate
Icon overlay.png
Windows
GOG.com
DRM-free
The Ultimate Doom. Pre-configured to run with DOSBox v0.74 (included in download).
Windows
Humble Store
Icon overlay.png
Windows
Steam
DRM-free after installation through Steam client (see notes)
The Ultimate Doom. Pre-configured to run with DOSBox v0.71 (included in download). Can be played without Steam.
Windows
The Ultimate Doom is an updated version of Doom (1993) released on April 30, 1995 that features a new fourth episode, Thy Flesh Consumed. All digital distribution releases carry this version of Doom.
The Ultimate Doom is also available as part of Doom 3: BFG Edition. This version includes GOG.com and Steam achievements.
A shareware episode is also available (comes with the first episode, "Knee-Deep in the Dead").
The shareware IWAD can be downloaded separately from the main release (to be used with source ports).

Downloadable content (DLC) and expansions

Name Notes
The Lost Episodes of Doom Unofficial commercial expansion released on floppy. Not available digitally.[2]
DOS
SIGIL Fifth episode released by John Romero for the 25th anniversary of Doom.
DOS

Essential improvements[edit]

Patches[edit]

All patches for the retail versions of Doom (as well as Doom II: Hell on Earth and Final Doom) can be found here. The retail versions of the original Doom can be upgraded to The Ultimate Doom through patches.

Disable vertical mouse movement (DOS)[edit]

Game forces vertical mouse movement (forward and backward movement via mouse).
Automating novert in DOSBox (Steam release)[3]
novert is a program that disables vertical mouse input.
  1. Download novert and extract novert.com in <path-to-game> alongside DOOM2.EXE.
  2. Edit ultimate.conf and ultimatem.conf with a text editor, and in the [Autoexec] section, add novert.com before the line calling the game's executable.
  3. Save the changes in the *.conf files and close.

Source ports[edit]

Since the release of the engine's source code, various source ports have been released. See the link above for details and recommendations.

Enhancement mods[edit]

DOS and all source ports[edit]

  • Minor Sprite Fixing Project - Corrects sprite offsets and other graphical errors. Compatible with both original DOS release and source ports.
  • Perkristian hi-res Doom sound pack - The hi-res sound pack contains remastered versions of the Doom sound effects which have been remade at higher sampling rates (Doom's original sound effects were sampled at 11025Hz, which is considered fairly low-quality nowadays).

ZDoom-based source ports[edit]

  • Master Levels Menu Interface - An in-game menu that serves to replace the old DOS program that would launch a chosen WAD of the Master Level for Doom II expansion. This mod allows you to play them in one sitting without restarting the game or loading each individual WAD file.
  • WadSmoosh - Combines all the official classic Doom IWADs (Doom, Doom II: Hell on Earth, Master Levels for Doom II, and Final Doom) the user can provide, as well as the No Rest for the Living WAD from Doom 3: BFG Edition and the SIGIL WAD released for Doom's 25th anniversary, into a single PK3 IWAD with each game selectable as episodes. The bonus secret levels from the Xbox port of Doom 3 can also be integrated.
  • Roland SC-55 music packs - Soundtrack for Doom II recorded on an authentic SC-55, the midi player for which the soundtrack was mixed on. Choose either OGG or FLAC; MP3 does not support proper looping.
  • Smooth Doom - Smooth Doom is a spriting project/general enhancement that adds newly drawn frames to all of DOOM's weapons and actors.

Any source port[edit]

  • Widescreen Status Bar - Designed for compatible source ports that support widescreen resolutions. In addition to removing the brick patterns that appear on the side of the bar when upscaling it, it also helps prevent graphical glitches that sometimes occurs from the upscaling process. Some source ports may require adjusting the status bar upscaling size manually in their respective options menu to retain the intended aspect-ratio.

Game data[edit]

Configuration file(s) location[edit]

System Location
DOS <path-to-game>\DOOMDATA\
Windows <path-to-game>\Utimate Doom for Windows 95\[Note 1]
Mac OS (Classic)
Linux
Steam <path-to-game>\Ultimate Doom\base\
Linux (Proton) <Steam-folder>/steamapps/compatdata/2280/pfx/[Note 2]
C:\DOOMDATA is used if running v1.1 or from CD; C:\DOOM_SE is used if The Ultimate Doom is installed from CD.
It's unknown whether this game follows the XDG Base Directory Specification on Linux. Please fill in this information.

Save game data location[edit]

System Location
DOS <path-to-game>\DOOMDATA\
Windows <path-to-game>\Utimate Doom for Windows 95\[Note 1]
Mac OS (Classic)
Linux
Steam <path-to-game>\Ultimate Doom\base\
Linux (Proton) <Steam-folder>/steamapps/compatdata/2280/pfx/[Note 2]
C:\DOOMDATA is used if running v1.1 or from CD; C:\DOOM_SE is used if The Ultimate Doom is installed from CD.

Save game cloud syncing[edit]

System Native Notes
GOG Galaxy
Steam Cloud

Video settings[edit]

In-game options menu.
In-game options menu.
Graphics feature State WSGF Notes
Widescreen resolution
Removed in v1.2.
See Source ports.
Multi-monitor
Supported by GZDoom.[4] See Source ports.
Ultra-widescreen
See Source ports.
4K Ultra HD
See Source ports.
Field of view (FOV)
See Field of view (FOV).
Windowed
Toggle with Alt+ Enter in DOSBox or its source ports, if supported.
Borderless fullscreen windowed
See Borderless fullscreen windowed.
Anisotropic filtering (AF)
See Source ports.
Anti-aliasing (AA)
See Source ports.
Vertical sync (Vsync)
See Source ports.
60 FPS
Capped at 35 FPS;[5] for 60+ FPS, see Source ports.
120+ FPS
See Source ports.
High dynamic range display (HDR)
For GZDoom, use vid_hdr console variable.[6]

Field of view (FOV)[edit]

Use the console (source ports only)
  • For ZDoom-based ports and Odamex: enter fov <1-179>.
  • For Legacy Doom: enter gr_fov <1-179>
  • For Doom Retro: enter r_fov <45-135>

Borderless fullscreen windowed[edit]

PrBoom+: Use Borderless Gaming while running PrBoom+ at your display's native resolution[7]
GZDoom: Perform the following for either Modern or Vintage branches (v3.5.0 or newer; Windows only)[8]
  • Modern branch: Run GZDoom in fullscreen at your display's native resolution.
  • Vintage branch: Set Fullscreen to OFF and Borderless Windowed Mode to ON from the Video Mode options.
Doom Retro: Use Direct3D or Software rendering while running at native desktop resolution[9]
  1. Open the *.cfg file(s) where the Doom Retro folder is located with a text editor.
  2. Find the variables vid_scaleapi and set it to either direct3d or software inside the quotation marks, then find vid_screenresolution and set it to desktop.
  3. Save the file(s). Doom Retro now should run in borderless fullscreen windowed.

Input settings[edit]

Keyboard and mouse State Notes
Remapping
Mouse acceleration
See Source ports.
Mouse sensitivity
Mouse input in menus
See Source ports.
Mouse Y-axis inversion
See Source ports.
Controller
Controller support
Full controller support
Supported by ZDoom and its derivatives as well as Doom Retro. See Source ports.
Controller remapping
Limited to only remapping Fire, Use, Sprint, and Strafe in the DOS version.
Some source ports feature broader controller remapping options. See Source ports.
Controller sensitivity
Some source ports have adjustable analog stick sensitivity settings. ZDoom and its derivatives also support XInput trigger sensitivity settings. See Source ports.
Controller Y-axis inversion
See Source ports.
Controller types
XInput-compatible controllers
ZDoom-based source ports and Doom Retro have XInput support.
Xbox button prompts
Use a ZDoom-based source port or Doom Retro.
Impulse Trigger vibration
DualShock 4 controllers
Tracked motion controllers
Use Classic Doom VR
Button/gesture prompts
Generic/other controllers
Additional information
Button prompts Input settings icon - Generic Controller.svg ZDoom and Doom Retro reference XInput controllers with Xbox notations.
Controller hotplugging
Supported by ZDoom and Doom Retro. See Source ports.
Haptic feedback
Doom Retro features vibration for XInput controllers.
Simultaneous controller+KB/M
ZDoom-based source ports and Doom Retro allows simultaneous inputs between controller or keyboard and mouse.

Audio settings[edit]

Audio feature State Notes
Separate volume controls
Sound Effects, Music
Surround sound
See Source ports.
Subtitles
No spoken dialogue.
Closed captions
Mute on focus lost
A source port is required. See Source ports.
EAX support
A3D 3.0 and EAX 2.0 can be used in the jDoom port[10][11] (A3D support discontinued since version 1.7.0)[12]
A3D can be hacked in the WinDoom port through IAS[13]
This game supports General MIDI for music.

Localizations

Language UI Audio Sub Notes
English

Network[edit]

Multiplayer types

Type Native Players Notes
Local play
2 Co-op, Versus
Use Doom Legacy, SsZDoom or Eternity BananaSplit.
LAN play
4 Co-op, Versus
Online play
4 Co-op, Versus
Zandronum is recommended for online play as it adds modern networking support and simplifies the process of finding games.

Connection types

Type Native Notes
Matchmaking
Peer-to-peer
Dedicated
Provided by Zandronum and Odamex. See Source ports.
Self-hosting
Direct IP
See Source ports.

Ports

Protocol Port(s) and/or port range(s)
TCP 666
UDP 666
Universal Plug and Play (UPnP) support status is unknown.
These are the ports used by the vanilla game. The ports to forward for each source port will vary.
It is highly recommended not to forward these ports without a good reason! Some malware uses these ports as an entry point into systems.[14]

VR support[edit]

3D modes Native Notes
Nvidia 3D Vision
See Helix Mod: GZDoom, requires GZDoom.
Headsets Native Notes
HTC Vive
Use Classic Doom VR
Oculus Rift
Use Classic Doom VR
OSVR
Windows Mixed Reality
Use Classic Doom VR
Devices Native Notes
Tracked motion controllers
See Input settings for details.
Traditional controller
See Input settings for details.
Keyboard/Mouse
Play area Native Notes
Seated
Standing
Room-scale

Issues fixed[edit]

Game does not run in DOSBox (Steam)[edit]

Disable double-buffering in DOSBox[15][16]
  1. Go to <path-to-game>\base\.
  2. Edit ultimate.conf and ultimatem.conf with a text editor.
  3. Under the section [sdl], look for the line fulldouble=true and set it to false.
  4. Save and close both files.

Doom95 doesn't start on Windows 7[edit]

Apply necessary fixes and Doom95 XP Mouse Patch[17]
  1. Apply a palette fix (see Rainbow color problems in older games).
  2. Right-click the DOOM95.exe file, click Properties, go to the Compatibility tab, then set it to Windows 95 compatibility mode and tick Run the program as administrator option.
  3. Go to %WINDIR%\SysWOW64, copy dplayx.dll and paste it into <path-to-game>, then rename the copied file to dplay.dll.
  4. Download the Doom95 XP Mouse Patch and extract it to <path-to-game> folder.
  5. Run the program and at the end of the page, click the install button.
  6. Use the Configure button to disable Vertical Axis to prevent moving forward with the mouse, smooth the mouse and add parameters if desired.
  7. Run DOOM95.exe, go to Advanced/Screen Resolution and set it to the highest resolution available.

Other information[edit]

API[edit]

Technical specs Supported Notes
Direct3D
See Source ports.
DirectDraw 2 Doom 95 only.
WinG
Doom 95 only.
OpenGL 2.0, 3.3 Supported in GZDoom, Zandronum, and Doom Retro. See Source ports.
Software renderer
Vulkan
See Source ports.
DOS video modes VGA
Executable 32-bit 64-bit Notes
Windows
For 64-bit see Source ports.
macOS (OS X)
Linux

System requirements[edit]

DOS
Minimum Recommended
Operating system (OS) MS-DOS 5.0
Processor (CPU) Intel 386
System memory (RAM) 4 MB
Hard disk drive (HDD) 100 MB
Video card (GPU) VGA graphics card

Notes

  1. 1.0 1.1 When running this game without Administrator elevation, activity in %PROGRAMFILES%, %PROGRAMFILES(X86)%, and %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore\ (more details).
  2. 2.0 2.1 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>/2280/ in addition to or instead of this directory. The app ID (2280) may differ in some cases. Treat backslashes as forward slashes. See the glossary page for details.

References

  1. id-Software/DOOM: DOOM Open Source Release
  2. The Lost Episodes of Doom
  3. Steam Community :: Guide :: Doom 2 Disable Vertical Mouse Movement - last accessed on August 4, 2016
  4. ZDoom 2.5.0 changelog - last accessed on October 11, 2018
  5. VOGONS • View topic - Doom in DOS: Original vs Source Ports - last accessed on December 15, 2017
  6. ZDoom • View topic - GZDoom 3.5.1 Released
  7. Verified by User:AmethystViper on April 25, 2016
  8. ZDoom • View topic - GZDoom 3.5.0 released - last accessed on February 2, 2019
    "(modern branch only) Fullscreen is now borderless window (which, technically, it always has been, anyhow). Removed hacks which changed the desktop resolution in order to simulate exclusive fullscreen because they were a constant stability concern."
  9. Verified by User:AmethystViper on December 18, 2017
  10. JDoom + SBLive! + a3dapi.dll support file = INCREDIBLE! - New Doom Forums
  11. About: The Doomsday Engine - Doomsday HQ (retrieved)
  12. Doomsday Version History - Doomsday HQ (retrieved)
  13. IAS Doom Port - Extreme Audio Reality
  14. Port 666 (tcp/udp) :: SpeedGuide - last accessed on 2017-12-19
  15. Steam Community :: Guide :: How to get DOOM to work on Windows 8 without downloading any sourcecodes or mods - last accessed on August 4, 2016
  16. Verified by User:AmethystViper on August 4, 2016
    Have tested using Windows 95 compatibility on the game's executable when using DOSBox, which did not stop the freezing issue until disabling double-buffering within DOSBox under Windows 7 and 8.1.
  17. How to run Doom95 on Windows Vista/7 - The Doom Wiki at DoomWiki.org - last accessed on August 4, 2016