This is partly my work. TheBusGuy figured this out and I figured out the fix.

When valve made Left 4 Dead, they didn't include split screen for the PC, but they did include the code for it. In this I will show you how to get the split screen code working.

You will need an Xbox360 controller. I will address what to do if you have a different controller later on.

The first step is to download the code, its in the download tab.

Plug your controller in. Then open up your 360controller.cfg file, its in your "\left4dead\cfg" folder. Copy and paste the code you downloaded over the code in the 360controller.cfg.

Okay, now open up the game, open the console, and type "Exec 360controller.cfg" without the quotations. Then use "ss_splitmode 1" or "ss_splitmode 2", to set the split screen mode. "ss_splitmode 1" is horizontal, and should be used for regular monitors. "ss_splitmode 2" is vertical, and should be used for dual monitor setups and wide screen monitors.

You need to have the controller set to player 1. Start/join a game and as soon as the loading screen appears, unplug the controller, wait a few seconds, and plug it back in before the game starts. That should switch it to player 2.

Now type in "ss_connect", player 2 will connect and start spectating. To make him join a team type "cmd2 jointeam 2". That should fix the update glitch and work perfectly.

If you have a different controller than an xbox360 controller, you will have to download an emulator from Then set up the controllers as you want them to be set up.
If you only have a differant controller, thenĀ  go in the "xbox360cemu.ini" and set index to -1


Index=0 ----> Index=-1"
then scroll down and set pad 2 index to 1

this should make your one controller bind to player 2.

That is it! Enjoy!

P.S.- If I forgot anything, or if you have something to add, let me know!
There is a hack/code like this one for Unreal Tournament 3 at

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0 comments by Croco15 on Oct 7th, 2009

I have figured out how to get split screen working after the DLC/update. I updated the summery, so you can take a look at that now. I doubt you care, but it took me three days of messing with it, to figure it out. I have also added a video, to make it easier to understand. Enjoy having split screen back!
Sorry for the horrible quality.

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Left 4 Dead Splitscreen Config

Left 4 Dead Splitscreen Config

Sep 29, 2009 Source Code 4 comments

This is the code I mentioned. You NEED this to get it to work. So, go ahead and download it.

Post comment Comments  (20 - 30 of 86)
Mr_Cookies Nov 20 2009, 3:41pm says:

i making a splitscreen mod for l4d 2,it will be here on moddb soon

+2 votes     reply to comment
NecromancerX69 Nov 18 2009, 2:47am says:

Hey will u guys make a splitscreen for Left 4 Dead 2?
please tell me :3

+3 votes     reply to comment
InStars Dec 17 2009, 12:03pm replied:

Just search steam forums, they have info how to get L4D2 split-screen working.

+2 votes     reply to comment
sk8ordie97 Nov 12 2009, 10:27pm says:

ive got it working as far as getting it into split screen, but the jointeam2 part doesnt work
i ahve player 2 just sitting there spectating

+1 vote     reply to comment
Croco15 Nov 14 2009, 7:04pm replied:

Did you use "cmd2 jointeam 2"? Just "jointeam 2" won't work.

+2 votes     reply to comment
Marffy Oct 24 2009, 12:14am says:

i knew about this.... i thought it would be a mod instead of a tut. you should try to make a mod so a menu button says "split screen" that would be wicked.

+5 votes     reply to comment
Matt92 Oct 23 2009, 3:55pm says:

Is this possible with all source games?

+1 vote     reply to comment
Croco15 Oct 25 2009, 1:03am replied:

No, sorry.

+1 vote     reply to comment
Trans-Fat Oct 23 2009, 5:56am replied:

it is in the emu you download from toca edit

+1 vote     reply to comment
NecromancerX69 Nov 14 2009, 2:20pm replied:

Thank u the control was the problem thanks again :D

+1 vote     reply to comment
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