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I am trying to create shortcuts for Arma 3 so I can quickly launch the game with and without mods, so I need to create at least 2 shortcuts, one for vanilla and one for mods.

But when I created the shortcut with Steam, I noticed it's a .url file. I managed to add the launch options using this:

URL=steam://rungameid/107410//-nosplash -world=empty -mod=@......

What I don't like about this is that when launching the game using that .url file shortcut, Steam will open a warning message saying Allow Arma 3 to open with optional command line "-nosplash -world=empty........"?

Is there a way to disable that warning or a better way to create multiple steam shortcuts with different launch options?

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up vote 6 down vote accepted

You can skip the message by using

C:\Path\To\Steam.exe -applaunch 107410 -nosplash -and -so -on

(Change the path to match your Steam.exe path)

The warning message exists for the URL so websites cannot launch games for you using parameters you do not want.

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Will that work if steam is already running? – peterg32 Sep 29 '13 at 15:19
@peterg32 It works for me, so I would assume yes. – 3ventic Sep 29 '13 at 15:19

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