How do I add custom launch arguments?
- From your Steam library, right-click the game then click properties
- Click Set Launch Options...
Add the launch arguments and click ok. Make sure you include the dash prior to each argument.
- In the Epic Games client click Settings in the lower-left
Scroll down until you find a list of all games you currently have installed
Select the game
Check the box that says Additional Command-Line Arguments
Add the required launch arguments in the box
Ubisoft Connect (uplay)
- From the Ubisoft Connect client select the game then click properties
Click Add Command Line Argument
Add the arguments and click Save