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I have seen videos and posts talking about playing Civ 6 on three monitors, e.g. this Reddit post, pictures from that post, and this YouTube video. But I can't seem to figure out how to make that happen on my equipment. I am on Win 10, Civ 6 Gathering Storm up to date.

My goal is probably even trickier. I am playing on a laptop with two outside monitors. I am hoping to play only on those two plugged in screens, but I guess I am still at the first hurtle: how to set up Civ 6 for multi-screen.

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First of all, it depends on your graphics card if it's possible at all and how to activate it. I can only tell how it's done with the DirectX 12 version on a Nvidia GeForce 970 (so with AMD cards the first part will be different). Unfortunately my system is in German, so the actual English phrasing might be a bit different.

  1. Open the NVIDIA SYSTEM SETTINGS (for this the correct NVIDIA driver need to be installed of course)
  2. Under 3d settings go to Surround, PhysX configuration
  3. Tick the check box under Surround-Configuration that should state something like Span over multiple displays with Surround and click on Config.
  4. Select both monitors by ticking the check boxes. Check for the correct monitor alignment. Note the resolution (e.g. 3840 x 1080), and modify if needed. Click Activate Surround function, and close the config window.

Now your Windows desktop should be spanned over both monitors!

Next we need to config Civilization VI itself.

  1. Go to %USERPROFILE%\Documents\My Games\Sid Meier's Civilization VI\ (if using Windows 10)
  2. Open AppOptions.txt
  3. Set RenderWidth and RenderHeight to the configuration noted above (e.g. 3840 and 1080)
  4. Set FullScreen to 2
  5. Save the file

Now when you start the game it should run spanned over both monitors!

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  • Thank you! This is very helpful!
    – Eddie Kal
    Mar 4, 2021 at 22:05
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    Glad to hear. Benefit for me is that in the process I learned for myself how to do it. ;-)
    – Jan
    Mar 4, 2021 at 22:13

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