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Command Line Parameters
GitHub Action edited this page Jul 29, 2024
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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.
| Parameter | Description |
|---|---|
| -config <file> | Load main configuration from the specified file, instead of the default. |
| -devparm | Developer mode. |
| -file <files> | Load the specified PWAD files. |
| -help | Print command line help. |
| -iwad <file> | Specify an IWAD file to use. |
| -nomusic | Disable music. |
| -nosfx | Disable sound effects. |
| -nosound | Disable all sound output. |
| -notracking | Disable WAD stats tracking. |
| -quiet | Print with minimum verbosity. |
| -save <directory> | Specify a path from which to load and save games. If the directory does not exist then it will automatically be created. |
| -shotdir <directory> | Specify a path to save screenshots. If the directory does not exist then it will automatically be created. |
| -verbose | Print debugging info with maximum verbosity. |
| -version | Print the program version and exit. |
| Parameter | Description |
|---|---|
| -beta | Press beta emulation mode (complevel mbf only). |
| -coop_spawns | Start single player game with items spawns as in cooperative netgame. |
| -dog | Enables a single helper dog. |
| -dogs <n> | Overrides the current number of helper dogs, setting it to n. |
| -episode <n> | Start playing on episode n (1-99) |
| -fast | Monsters move faster. |
| -loadgame <s> | Load the game in slot s. |
| -nomonsters | Disable monsters. |
| -pistolstart | Enables automatic pistol starts on each level. |
| -respawn | Monsters respawn after being killed. |
| -skill <skill> | Set the game skill, 1-6 (1: easiest, 5: hardest, 6: custom). A skill of 0 disables all monsters only in -complevel vanilla. |
| -speed <n> | Increase or decrease game speed, percentage of normal. |
| -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). |
| Parameter | Description |
|---|---|
| -1 | Don't scale up the screen. Implies -window. |
| -2 | Double up the screen to 2x its normal size. Implies -window. |
| -3 | Triple up the screen to 3x its normal size. Implies -window. |
| -fullscreen | Run in fullscreen mode. |
| -noblit | Disable blitting the screen. |
| -nodraw | Disable rendering the screen entirely. |
| -nograbmouse | Don't grab the mouse when running in windowed mode. |
| -nouncapped | Disables uncapped framerate. |
| -uncapped | Enables uncapped framerate. |
| -window | Run in a window. |
| Parameter | Description |
|---|---|
| -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. |
| -dm3 | Start a deathmatch 3.0 game. Weapons stay in place and all items respawn after 30 seconds. |
| -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. |
| -frags <n> | The -frags option allows you to deathmatch until one player achieves <n> frags, at which time the level ends and scores are displayed. If <n> is not specified the match is to 10 frags. |
| -left | Run as the left screen in three screen mode. |
| -nodes <n> | Autostart the netgame when n nodes (clients) have joined the server. |
| -oldsync | Use original network client sync code rather than the improved 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. |
| -right | Run as the right screen in three screen mode. |
| -server | Start a multiplayer server, listening for connections. |
| -servername <name> | When starting a network server, specify a name for the server. |
| -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. |
| Parameter | Description |
|---|---|
| -bex <files> | Alias for -deh. |
| -bexout <filename> | Alias for -dehout. |
| -blockmap | Forces a (re-)building of the BLOCKMAP lumps for loaded maps. |
| -bsp | Forces rebuilding of nodes. |
| -deh <files> | Load the given dehacked/bex patch(es). |
| -dehout <filename> | Enables verbose dehacked parser logging. |
| -dumplumps <wad> | Allow writing predefined lumps out as a WAD. |
| -dumptables <wad> | Allow writing generated lumps out as a WAD. |
| -force_old_zdoom_nodes | Forces extended (non-GL) ZDoom nodes. |
| -noautoload | Disable auto-loading of .wad and .deh files. |
| -nocheats | Ignore cheats in dehacked files. |
| -nodeh | Avoid loading DEHACKED lumps embedded into WAD files. |
| -nomapinfo | Disable UMAPINFO loading. |
| -nooptions | Avoid loading OPTIONS lumps embedded into WAD files. |
| -tranmap | Forces a (re-)building of the translucency and color translation tables. |
| Parameter | Description |
|---|---|
| -fastdemo <demo> | Plays the given demo as fast as possible. |
| -levelstat | Write level statistics upon exit to levelstat.txt |
| -longtics | Record a high resolution "Doom 1.91" demo. |
| -longtics | Play with low turning resolution to emulate demo recording. |
| -maxdemo <size> | Sets the initial size of the demo recording buffer (KiB). This is no longer a hard limit, and the buffer will expand if the given limit is exceeded. |
| -playdemo <demo> | Play back the demo named demo.lmp. |
| -record <demo> | Record a demo named demo.lmp. |
| -recordfrom <s> <demo> | Record a demo, loading from the given save slot. Equivalent to -loadgame <s> -record <demo>. |
| -recordfromto <demo1> <demo2> | Allows continuing <demo1> after it ends or when the user presses the join demo key, the result getting saved as <demo2>. Equivalent to -playdemo <demo1> -record <demo2>. |
| -skipsec <min:sec> | Skip min:sec time during viewing of the demo. "-warp <x> -skipsec <min:sec>" will skip min:sec time on level x. |
| -strict | Sets compatibility and cosmetic settings according to DSDA rules. |
| -timedemo <demo> | Play back the demo named demo.lmp, determining the framerate of the screen. |
| Parameter | Description |
|---|---|
| -complevel <version> | Emulate a specific version of Doom/Boom/MBF. Valid values are "vanilla", "boom", "mbf", "mbf21". |
| -gameversion <version> | Emulate a specific version of Doom. Valid values are "1.9", "ultimate", "final", "chex". Implies -complevel vanilla. |
| -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). |
| Parameter | Description |
|---|---|
| -cdrom | Save configuration data and savegames in c:\doomdata, allowing play from CD. (windows only) |
| -nogui | Don't pop up a GUI dialog box to show the error message. |