3

I used this solution to play rocket league split screen using both my monitors. Now I wanted to play with two friends so I added a third controller. This works fine until the game starts. Then you can still hear sound. From the sound I can hear that the controller input also works. Here are some pictures that might help visualisering what I mean.

I also tried starting a Exhibition match and adding the extra players after starting the match. This has the same result when the third player is added.

  • Is there any additional 3rd party software being used? Have you looked at your event viewer in your Windows OS? If so, are there any errors or warnings? – HazyKingdom Mar 30 '17 at 15:16
  • I would like to thank you for commenting on this question. This made me start up the game again and try my tree player setup. I found out that the problem no longer exists. My guess is that it was fixed in an graphics driver, rocketleague and/or windows update. – Maiko Kingma Apr 1 '17 at 9:41
  • Would you be able to create an answer with the steps taken and such? Would be greatly appreciated! – HazyKingdom Apr 4 '17 at 14:49
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I am answering this question on request of @HazyKingdom. Please let it be known that the answer was found by reddit/youtube user vi9ke.

  1. Go to you Display settings.
  2. Multiply the width of your smallest screen.
  3. Remember or write down the the value from step 2 and the height of your smallest screen.
  4. Open File Explorer.
  5. Go to your documents folder (Probably C:\Users\{User}\Documents unless you have changed this yourself).
  6. Go further until you are at C:\Users\{User}\Documents\My Games\Rocket League\TAGame\Config.
  7. Here you want to create a copy of TASystemSettings.ini so when you make a mistake you can revert your changes.
  8. Open TASystemSettings.ini in your preferred text editor.
  9. On line 62 there is a value called 'ResX' change the value to the value you found in step 2.
  10. On line 63 there is a value called 'ResY' change the value to the height of your smallest screen (step 3).
  11. Start up RocketLeague
  12. Go to Options > Video and set 'Windowmode' to windowed or borderless (whatever works best for you).
  13. Go to Options > Misc and make sure 'Horizontal Splitscreen' is unchecked.
  14. If during the game you see objects not being rendered or a black screen. Go to Options > Video and set 'Render Quality' to 'High Quality'.

This answer is tested on Windows 10.

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