Warning
This page is WIP.
Setup in Steam
Launch or command line options for rFactor2 are used to modify the operationof the game and can be set directly in Steam:
Right click on the rFactor2 entry in your Steam Library.
Left click on “Properties”.
In the “GENERAL” tab you will see a section labeled “LAUNCH OPTIONS”. Thereyou can add the command line options. Multiple options are separated byjust a blank space.
Setup in Desktop Shortcuts
When using a desktop shortcut to start the Dev Mode as describedabove, you have to add the launch options to theend of the “Patch To” line. Example:
"[YOUR PATH TO STEAM LIBRARY]\\Steam\\steamapps\\common\\rFactor 2\\Bin64\\rFactor2 Mod Mode.exe" +trace=5
Note
Again, remember to replace [YOUR PATH TO STEAM LIBRARY] with thepath of where your Steam Library is installed.
Available Launch Options
Each command line parameter is listed here with the syntax and then adescription followed in parentheses by which modes it available:
SP = Single Player
MP = Multiplayer
DEV = Developer (Mod Mode)
DS = Dedicated Server
In addition, parameters which are not officially supported may also include theword “unsupported” in parentheses.
- +assert
Turn on asserts (popup warnings that you can choose to debug or ignore).(DEV,unsupported)
- -assert
Turn off asserts (popup warnings that you can choose to debug or ignore).(DEV,unsupported)
- +trace=<level>
Enables trace logging. Level 1 to 5. (SP,MP,DEV,DS)
- +logtime
Adds time to trace log messages. (SP,MP,DEV,DS)
- +path=<relative or absolute path>
Informs the simulation of the location of data files required for properoperation. (SP,MP,DEV,DS)
- +email=<email address>
Email account of online user. Required if attempting to start without using theLauncher. Used in conjunction with +pass. (SP,MP,DS,unsupported)
- +pass=<password>
Password for online user. Required if attempting to start without using theLauncher. Used in conjunction with +pass. (SP,MP,DS,unsupported)
- +hash=<value>
A hash value passed from the Launcher to the executable.
- +publicid=<identifier>
Public identifier of a user’s session. This is generated by the Launcher andpassed to the simulation at startup. (SP,MP)
- +privateid=<identifier>
Private identifier of a user’s session. This is generated by the Launcher andpassed to the simulation at startup. (SP,MP)
- +relaunched
Skips the splash screen (may be used in the case where the executable had to berestarted by rF Config). (SP,MP,DEV,unsupported)
- +perfhud
Performance overlay for testing/debug. (SP,MP,DEV,unsupported)
- +memstats
Display of some video memory statistics. (SP,MP,DEV,unsupported)
- +connect=”<named server>”
These allow a multiplayer client to automatically join a server by name.Note that +connect and +autojoin are equivalent. (MP)
- +connect <url or address>
These allow a multiplayer client to automatically join a server by url oraddress. Note that +connect and +autojoin are equivalent. (MP)
- +autojoin=”<named server>”
These allow a multiplayer client to automatically join a server by name.Note that +connect and +autojoin are equivalent. (MP)
- +autojoin <url or address>
These allow a multiplayer client to automatically join a server by url oraddress. Note that +connect and +autojoin are equivalent. (MP)
- +multiplayer
Selects multiplayer mode for the executable. (MP)
- +oneclick
These start a dedicated server quickly without going through the configurationscreens. (DS)
- +nowindow
These start a dedicated server quickly without going through the configurationscreens. +nowindow is the same as +oneclick except that it destroys allwindows (leaving only the process running). (DS)
- +ui=<dedi_server_ui>
Sets the desired dedicated server UI. Choices are NONE/CONSOLE/WIN32. (DS,unsupported)
- +vmod=<vmod>
Which mod to use. (DS)
- +rfm=<rfm>
Which RFM to use. (SP,MP,DEV,DS,unsupported)
- +plrfile=<file>
Which player file to use. (DS)
- +profile “<plrfile>”
Uses the specified player file. (SP,MP,DEV,DS,unsupported)
- +config=<x>
Uses the specified config file. (SP,MP,DEV,unsupported)
- +setup “<setupname.svm>”
Overrides the current vehicle setup for the player’s vehicle. (SP,MP,DEV,unsupported)
- +demo
Runs the demo version. (SP)
- +procmask=<bitfield>
Allows user to specify processor affinity mask, using same bitfield as thecall SetProcessAffinityMask(). (SP,MP,DEV,DS)
- +highprio
Sets the priority class of the app to high. (SP,MP,DEV,DS,unsupported)
- +SimThreadPrio=<priority_level_value>
Sets the thread priority for the simulation thread. The default is “timecritical”, anything lower can result in random latency spikes of over 30ms,anything higher can result in your whole machine coming to a standstill.(SP,MP,DEV,unsupported).
- +multiple
Allows multiple instances of rFactor2 to run at the same time on the samemachine. (SP,MP,DEV,unsupported)
- +maxplayers <number>
Limits the maximum number of players that can join a race. (DS)
- +port <number>
Set the multiplayer.json value “Simulation Port”. (SP,MP,DS)
- +page=<name>
Name of the UI page to start on. (SP,MP,DEV,unsupported)
- +altosc
Load Dev options. (SP,MP,DEV,unsupported)
- +uireset
Resets the UI to the default on load. (SP,MP,DEV,unsupported)
- +mainmenu=<x>
Sets the main menu. (SP,MP,DEV,DS,unsupported)
- +spectate
Turns on spectator mode. (MP,unsupported)
- -spectate
Turns off spectator mode. (MP,unsupported)
- +vehicle “<name.veh>”
Selects vehicle to spectate. (MP,unsupported)
- +scene “<name.scn>”
Selects track to load. (SP,MP,DEV,unsupported)
- +tvcockpit
Chooses TV cockpit as the starting view. If +spectate is specified, this refersto the multiplayer starting view as opposed to the driving starting view. (SP,MP,DEV,unsupported)
- +cockpit
Chooses cockpit as the starting view. If +spectate is specified, this refersto the multiplayer starting view as opposed to the driving starting view. (SP,MP,DEV,unsupported)
- +nosecam
Chooses nosecam as the starting view. If +spectate is specified, this refersto the multiplayer starting view as opposed to the driving starting view. (SP,MP,DEV,unsupported)
- +swingman
Chooses swingman as the starting view. If +spectate is specified, this refersto the multiplayer starting view as opposed to the driving starting view. (SP,MP,DEV,unsupported)
- +trackside
Chooses trackside as the starting view. If +spectate is specified, this refersto the multiplayer starting view as opposed to the driving starting view. (SP,MP,DEV,unsupported)
- +onboard<x>
Chooses onboard camera <x> as the starting view. If +spectate is specified, thisrefers to the multiplayer starting view as opposed to the driving starting view.(SP,MP,DEV,unsupported)
- +cockpit
Chooses cockpit as the starting view. If +spectate is specified, this refersto the multiplayer starting view as opposed to the driving starting view. (SP,MP,DEV,unsupported)
- +skipoptions
Skips over the options. (SP,MP,DEV,unsupported)
- +delayrender
Delays rendering with +skipoptions until our vehicle (player control or spectatevehicle) is loaded. (SP,MP,DEV,unsupported)
- +skipmonitor
Skips the monitor. (SP,MP,DEV,unsupported)
- +autoescape
If spectating in multiplayer, this automatically escapes if the vehicle that wewere spectating leaves the race. (MP,unsupported)
- +testday
Configures the settings to run a test day. (SP,MP,DEV,unsupported)
- +quickrace
Configures the settings to run a grand prix. (SP,MP,DEV,unsupported)
- +grandprix
Configures the settings to run a grand prix. (SP,MP,DEV,unsupported)
- +testbed
Starts a special testbed mode. (DEV,unsupported)
- +pTool
Starts a testbed mode with a chassis editor. (DEV,unsupported)
- +tTool
Starts a testbed mode for tire testing. (DEV)
- +cTool
Starts a testbed mode for collision. (DEV,unsupported)
- +batch
Runs through a series of test batch files and outputs some results. (DEV,unsupported)
- +racedata
Enables the same output as +batch. (DEV,unsupported)
- +autohdtest
Automatically presses the Race button and drives the player vehicle but withouthuman assistance. (DEV,unsupported)
- +autotest
Automatically presses the Race button and toggles to AI control. (DEV,unsupported)
- +noplayer
Runs without a player vehicle. (SP,MP,DEV,unsupported)
- +nosound
Runs without any sound. (SP,MP,DEV)
- -detectliveries
Speeds up startup by never looking for vehicle skins. (DEV,unsupported)
