Time to do 343’s job and show you how Halo Splitscreen on PC is possible!
Halo The Master Chief Collection has not had inbuilt Co-Op since 2014.
But thanks to dedicated fans it is possible to play Halo on one and multiple screens locally.
Halo Splitscreen On PC
Initially, let’s get a piece of software named Nucleus Co-Op. This is a free, open-source program that enables us to enjoy the Halo game in split-screen mode on our PC. What’s more, it supports not only split-screen but multiple screens as well!
Not only does Nucleus Coop offer a wide variety of games, but it’s capable of supporting titles like Dark Souls and Resident Evil 5 as well. In fact, these games are playable due to its capabilities.
But to get Halo Splitscreen on PC again we must download from the GitHub here.

Fortunately, thanks to updated versions, the process has become simpler for us. With the installer, we can initiate the download of all necessary files right from the start.
Here’s a more conversational way of explaining it:
When installing the game, ensure you don’t put it within the game files. Instead, I have my version stored on a separate hard drive, which works perfectly for me. To play Halo Splitscreen on your PC, locate the MTCC executable. This can be found in the following folders:
1. steamapps/common/HaloTheMasterCheifCollection/MCC/Binaries
2. And then select the .exe file inside that folder.
Now, it’s time for Nucleus Cooperative to operate at its full capacity. But there are some tasks that we still need to address moving forward.
On a PC, playing Halo Splitscreen isn’t feasible unless your monitor settings are correctly configured first. Specifically, the display resolution scaling needs to be set at 100% for all connected monitors.

I encountered some troubleshooting difficulties last night while configuring this; to verify the scaling, navigate to the display settings within Windows, then select each monitor individually. There, you’ll find the percentage scale setting for each one.
Nucleus Coop
After setting up the monitors, you can now launch Nucleus Coop with administrative privileges. Some users have reported that certain features only function properly when running the game this way.
Upon locating Halo within the game list, the system proceeds to download the necessary DLL files through the user interface. Now, you can find Halo displayed in the left-hand side window, all set and ready for use.

Before moving forward, let’s first set up our screen layouts for the Splitscreen mode, especially since Halo Splitscreen on PC is compatible with multiple monitors. You can easily place controllers on these screens by simply connecting them and pressing ‘A’ on the controller. Interestingly, you can also use a mouse and keyboard as input devices!


1. First, carefully review the initial screen as it’s crucial.
2. Next, fire up the Halo launcher via Nucleus. Toggle the upper setting if you want cheats enabled and leave the lower one untouched.
3. Finally, click the arrow on the top right to proceed to the next page.
It seems I may have overlooked it, but there’s a large play button hidden within the Halo thumbnail situated on the right side of this screen. Quite easy to miss, isn’t it?
After starting, allow it about a minute or two for the Halo instances to run. Essentially, this means that it’s running several copies of the game on your computer, which can be quite demanding.
Halo Splitscreen On PC Final Settings
If a game instance is running and it’s showing up on the incorrect monitor, you can move it to the desired display by simultaneously pressing the Windows key, Shift key, and an arrow key (up, down, left, or right) depending on which screen you want to shift it to.

Ultimately, for Halo Splitscreen on PC, once it’s functional, navigate to settings and select Network as LAN. Then, proceed to Campaign or Multiplayer where connected players should appear under LAN. Press ‘X’ to invite them to your party, and there you have it – Halo Splitscreen on PC!
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2025-08-11 17:32