Rainbow Six Siege Rainbow Six Siege

This guide shows different launch options for R6 and their quick descriptions.

Instructions

1) Open your game library.
2) Right-click the game you want to set the lauch options for.
3) Click "Properties".
4) Find "Set launch options" and click it.

Rainbow Six Siege - Launch Options Guide image 4

5) Use any commands from this guide(or anywhere else you can find them).

The Commands

These launch options work for almost all the games. They may not sometimes work with third party applications and nor they are always compatible with everyone present in the Steam Store.

-con_enable 1

This enables the console so you can use it in-game

-console

This also enables the console in-game and opens it up when the game starts.

-high

This gives the game priority CPU usage so it runs more smoothly. However, this options also consumes a lot of processing power.

-useforcedmparms

This allows the usage of –noforcemspd and –noforcemaccel.

-noforcemaccel

This allows the use of Windows mouse acceleration settings.

-noforcemspd

This allows the use of Windows mouse speed settings.

-fullscreen

This starts the game in a full screen from the start.

-h

This forces it to start at the resolution set to value. This value is in pixels for example "-h 739”.

-w

This forces it to start at the resolution set to value. This value is in pixels for example "-w 1024”.

-x

This places the borderless window along the horizontal axis of the screen. This is very useful if you are using multiple monitors. For example, you can use "-x 1921”. If you are using three monitors, it will place it on the middle screen.

-y

This places the borderless window along the vertical axis of the screen. This is very useful if you are using multiple monitors. For example, you can use "-y 0”. This will place the game window on top of the monitor, over the task bar.

-autoconfig

This will help in restoring the video and audio configuration to their default settings for the current hardware which is detected. This will completely ignore any settings present in the .cfg files until this parameter is removed.

-override_vpk

This will force the Steam engine to search for custom game content which is placed inside the game’s installation directory instead of loading the default game files from the VPK files. However, do note that this feature cannot be used in matchmaking and is limited for single player only.

-enable_addons

This will force the Steam engine to search for whitelisted custom game content which is placed inside the game’s installation directory instead of loading the default game files from the VPK files. This can be used in matchmaking games. The whitelisted list includes many items such as HUD, icons, custom cursor images etc.

-nomousegrab

This enables the alt-tab function in some Linus devices where the game is running full screen and grabbing mouse won’t allow the players to use the alt-tab function while in-game.

-language

This changes the language of the game and the menus. You can place the name of the language in place of code. The command line will look something like "-language Italian”.

-nod3d9exThis forcefully disables the Windows Aero DirectX extensions. This is used to enhance performance in some cases.
-nomicsettingsThis stops the game from changing the microphone output values when the game launches. This is particularly useful for people who are using third party applications such as Skype where their microphone value will get forcefully maxed out when they run the game.
-nosoundThis turns off the sound in-game.
-dx9This will force the game to run on DirectX 9
-dx11This will force the game to run on DirectX 11.
-glThis forces the game to run on OpenGL. On Windows, the OpenGL DLC must be present in the system and should be installed for this feature to run.
-vulkanThis applies the Vulcan support.
-nogrammerampThis will force the game to use the desktop color profile.
-32bitThis will force run the game on a 32 bit client as running on 64 bit is the default.
-antiaddiction_testThis adds an uptime clock so you can see how much time is passing by while you are playing. This is very useful for keeping track of minutes passed while in-game.
-useallavailablecoresThis makes it so the game uses all of your CPU cores. If all of your CPU cores are NOT being used after using this launch option then disable it as it may cause more stuttering.
-sm4It forces the game to use Shader Model 4 instead of the usual Shader Model 5. The game looks and feels almost the same but you get much better performance. There is more a matte look to the game but it is not bad at all. Best performance boost out of all of these options.
If you have your FOV slider up 100% of the way then a circle will appear in the sky. Just lower your FOV to about 70% (give or take ~10%) or until the circle goes away. If you didn't touch your FOV slider then you are fine.
-d3d10Using sm4 forces the game into using DX10 instead of DX11 and this does the same thing. I put it here to make sure it launched correctly. you are not missing out on anything.
-nomanskyThis disables a lot of the detailed sky features like a lot of clouds and super stary night sky. This minimizes all of those but you still get them. It looks almost the same but it has less of all of it. You still get stars and you still get the sun and moon. This just gets rid of the sparkling stars at night that can blind you.
A user reported that -nomansky causes the FOV bug to pop up as well. I have yet to verify it but it was worth mentioning anyway.
-lowmemoryThis launches the game in 4gb memory mode. If you have less than 16 gigs of RAM then this is basically a must have for better performance. You are missing out on some effects like the breaking of bushes and leaves go everywhere. Nothing major at all and the game runs better!
-novsyncThis forces Vsync to be off. Vsync is typically used to stop screen tearing when over your monitors refresh rate. If you are getting below 60fps then make sure to leave this in, if you are getting over 60fps then leave it as it can cause screen tearing.
					Source: https://gameplay.tips/guides/4298-rainbow-six-siege.html					
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Instructions

The Commands

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