- == Command line parameters ==
- This is a full list of the supported command line parameters. A number of
- additional parameters are supported in addition to those present in the DOS
- version.
- === General options ===
- -cdrom Save configuration data and savegames in
- c:\doomdata, allowing play from CD. (windows
- only)
- -config <file> Load main configuration from the specified file,
- instead of the default.
- -devparm Developer mode. F1 saves a screenshot in the
- current working directory.
- -episode <n> Start playing on episode n (1-4)
- -extraconfig <file> Load additional configuration from the specified
- file, instead of the default.
- -fast Monsters move faster.
- -file <files> Load the specified PWAD files.
- -iwad <file> Specify an IWAD file to use.
- -loadgame <s> Load the game in slot s.
- -mb <mb> Specify the heap size, in MiB (default 16).
- -mmap Use the OS's virtual memory subsystem to map WAD
- files directly into memory.
- -noblit Disable blitting the screen.
- -nodraw Disable rendering the screen entirely.
- -nomonsters Disable monsters.
- -nomusic Disable music.
- -nosfx Disable sound effects.
- -nosound Disable all sound output.
- -respawn Monsters respawn after being killed.
- -servername <name> When starting a network server, specify a name
- for the server.
- -skill <skill> Set the game skill, 1-5 (1: easiest, 5:
- hardest). A skill of 0 disables all monsters.
- -turbo <x> Turbo mode. The player's speed is multiplied by
- x%. If unspecified, x defaults to 200. Values
- are rounded up to 10 and down to 400.
- -warp [<x> <y> | <xy>] Start a game immediately, warping to ExMy (Doom
- 1) or MAPxy (Doom 2)
- === Compatibility ===
- -donut <x> <y> Use the specified magic values when emulating
- behavior caused by memory overruns from
- improperly constructed donuts. In Vanilla Doom
- this can differ depending on the operating
- system. The default (if this option is not
- specified) is to emulate the behavior when
- running under Windows 98.
- -gameversion <version> Emulate a specific version of Doom. Valid values
- are "1.9", "ultimate", "final", "final2", "hacx"
- and "chex".
- -setmem <version> Specify DOS version to emulate for NULL pointer
- dereference emulation. Supported versions are:
- dos622, dos71, dosbox. The default is to emulate
- DOS 7.1 (Windows 98).
- -spechit <n> Use the specified magic value when emulating
- spechit overruns.
- -statdump <filename> Dump statistics information to the specified
- file on the levels that were played. The output
- from this option matches the output from
- statdump.exe (see ctrlapi.zip in the /idgames
- archive).
- === Demo options ===
- -longtics Record a high resolution "Doom 1.91" demo.
- -maxdemo <size> Specify the demo buffer size (KiB)
- -playdemo <demo> Play back the demo named demo.lmp.
- -record <x> Record a demo named x.lmp.
- -timedemo <demo> Play back the demo named demo.lmp, determining the
- framerate of the screen.
- === Display options ===
- -1 Don't scale up the screen.
- -2 Double up the screen to 2x its normal size.
- -3 Double up the screen to 3x its normal size.
- -8in32 Set the color depth of the screen to 32 bits per pixel.
- -bpp <bpp> Specify the color depth of the screen, in bits per
- pixel.
- -fullscreen Run in fullscreen mode.
- -geometry <WxY> Specify the screen mode (when running fullscreen) or
- the window dimensions (when running in windowed mode).
- -grabmouse Grab the mouse when running in windowed mode.
- -height <y> Specify the screen height, in pixels.
- -nograbmouse Don't grab the mouse when running in windowed mode.
- -nomouse Disable the mouse.
- -nonovert Enable vertical mouse movement.
- -novert Disable vertical mouse movement.
- -width <x> Specify the screen width, in pixels.
- -window Run in a window.
- === Networking options ===
- -altdeath Start a deathmatch 2.0 game. Weapons do not stay in
- place and all items respawn after 30 seconds.
- -autojoin Automatically search the local LAN for a multiplayer
- server and join it.
- -avg Austin Virtual Gaming: end levels after 20 minutes.
- -connect <address> Connect to a multiplayer server running on the given
- address.
- -deathmatch Start a deathmatch game.
- -dedicated Start a dedicated server, routing packets but not
- participating in the game itself.
- -dup <n> Reduce the resolution of the game by a factor of n,
- reducing the amount of network bandwidth needed.
- -extratics <n> Send n extra tics in every packet as insurance
- against dropped packets.
- -ignoreversion When running a netgame server, ignore version
- mismatches between the server and the client. Using
- this option may cause game desyncs to occur, or
- differences in protocol may mean the netgame will
- simply not function at all.
- -left Run as the left screen in three screen mode.
- -localsearch Search the local LAN for running servers.
- -oldsync Use original game sync code.
- -port <n> Use the specified UDP port for communications,
- instead of the default (2342).
- -privateserver When running a server, don't register with the
- global master server. Implies -server.
- -query <address> Query the status of the server running on the given
- IP address.
- -right Run as the right screen in three screen mode.
- -search Query the Internet master server for a global list
- of active servers.
- -server Start a multiplayer server, listening for
- connections.
- -solo-net Start the game playing as though in a netgame with a
- single player. This can also be used to play back
- single player netgame demos.
- -timer <n> For multiplayer games: exit each level after n
- minutes.
- === Dehacked and WAD merging ===
- -aa <files> Equivalent to "-af <files> -as <files>".
- -af <files> Simulates the behavior of NWT's -af option, merging
- flats into the main IWAD directory. Multiple files
- may be specified.
- -as <files> Simulates the behavior of NWT's -as option, merging
- sprites into the main IWAD directory. Multiple files
- may be specified.
- -deh <files> Load the given dehacked patch(es)
- -merge <files> Simulates the behavior of deutex's -merge option,
- merging a PWAD into the main IWAD. Multiple files may
- be specified.
- -nocheats Ignore cheats in dehacked files.
- -nwtmerge <files> Simulates the behavior of NWT's -merge option.
- Multiple files may be specified.