Cities: Skylines Dev Tracker

We'll need to see the output_log.txt (called player.log on Mac and Linux) to see what's causing it. Here's where to find the log depending on your operating system. To easily find the local files for the game, right click your game in the Steam library, select Properties, go to the Local Files tab and select Browse local files.

Windows
\SteamApps\common\Cities_Skylines\Cities_Data\output_log.txt

Mac OS X
Users//Library/Logs/Unity/Player.log

Linux
~/.config/unity3d/Colossal Order/Cities: Skylines/Player.log

As we can't attach files here on Steam, you will need to upload the file somewhere else. Here's a few sites you can upload it to, which do not require you to sign up first:

https://uploadfiles.io/ - free, no sign-up, can handle large log files
... Read more

The easiest way to find it is through the game. From the Main Menu go into the Content Manager, then find the Map Theme category on the list and find the theme in question on that list. You can click the Workshop icon to open the workshop page for it.

Alternately remove the . in the link and replace it with a space. Then Steam won't recognize it as a link and it shouldn't be automatically removed.

If you want controlled rotation, you can use this mod. Just keep in mind that it can increase memory usage a bunch.

https://steamcommunity.com/sharedfiles/filedetails/?id=2033714682&searchtext=tree+prop

Originally posted by dsaucier72: My game also crashes and won't start. It was working fine a month ago and no changes to the PC, what can i try to resolve the issue ? Am i having RAM issues too, here are the details of my error log:

Error occurred at 2020-12-23_205938.
C:\Program Files (x86)\Steam\steamapps\common\Cities_Skylines\Cities.exe, run by Edit 1.
23% memory in use.
32488 MB physical memory [24720 MB free].
37352 MB paging file [26395 MB free].
134217728 MB user address space [134213214 MB free].
Read from location 0000000e caused an access violation.

You have a different issue, since you have both plenty of free RAM and pagefile space free. Please start a new thread about your ... Read more

Replace Advanced Toolbar with More Advanced Toolbar
Replace Auto Line Color with AutoLineColor Redux
Remove Fine Road Tool 1.3.7
Replace Fine IT 1.5.4 with Find It 2
Remove Metro station Converter (you should only use this if you do NOT have Metro Overhaul Mod)


Since you have Ultimate mod you also don't need No Fires or Pollution Remover mod. You should always avoid having mods that overlap like that as mods that do the same thing tend to conflict.

Try setting up a custom size pagefile of 32 GB. See this guide:

https://steamcommunity.com/sharedfiles/filedetails/?id=2114415052&searchtext=pagefile

If that doesn't help, we'll need to see the output_log.txt (called player.log on Mac and Linux) to see what's causing it. Here's where to find the log depending on your operating system. To easily find the local files for the game, right click your game in the Steam library, select Pro... Read more

Sounds like you had a mod that enabled achievements with mods, which is either gone, disabled or broken.

I use the mod Steamy, but afaik Achieve It and Mod Achievement Enabler both work as well.

That sounds like an issue with the launcher. Try reinstalling it following the steps in this thread:

https://steamcommunity.com/app/255710/discussions/0/1742265315844206043/ ... Read more

Originally posted by Halan: My Linux install sometimes crashes with "Receiving unhandled NULL exception" and sometimes the simulation gets stuck (I cannot unpause the game).
In the latter case there's no crash report or anything in my log. Is there maybe a way to turn on more verbose logging?

I do not have any obscure mods installed, just network extensions, and traffic manager.

Can you upload your player.log somewhere anyways? There might not be anything that looks out of the ordinary for you, but maybe we can spot something helpful. :)

I suggest you do a clean install of the game. It sounds like it didn't move properly. Moving the files manually might have messed up something. Just make sure to back up any saves you have.

- Uninstall the game through Steam
- Manually delete all these files and folders, if still there:

...\Steam\steamapps\common\Cities_Skylines\
...\Steam\SteamApps\workshop\content\255710\
...\AppData\Local\Colossal Order\Cities_Skylines
(first move the /saves/ folder elsewhere to keep your save games)
(To see the AppData folder you'll need to enable View Hidden Items in File Explorer)

Can you upload another log with all the mods and the Safe Mode options enabled? The lower amount of errors might get us to the cause of the problem easier.

Sorry for the late answer! Christmas stole me away from Steam. :P

Hmm, good that clearing traffic fixes the error. Then it's a question of what's causing trouble for your metro. What if you make a little test for metro. Plop 2 stations close together and connect them with a straight line, then set up a line between them. Does that work?

Make sure no aditional audiomanagers are installed. (Like Alienware Audio, ASUS Sonic Studio, etc). (Realtek Audio is fine, that's the main driver)

Check that the Audio Depth is set to 16 bit.

If this happened after a Windows Update, reinstall your audio drivers.

Try adding these two mods, enable them, restart the game and check that the Safe Mode options are still enabled.

https://steamcommunity.com/sharedfiles/filedetails/?id=529129546
https://steamcommunity.com/sharedfiles/filedetails/?id=1620588636

If you remove the launcher following the steps in this thread, then it tries to install automatically when you press Play in Steam. Might be worth trying again, I saw someone yesterday where it worked the 2nd time. No idea why the first one didn't do the trick, but while you wait for the email, that's worth a try again I guess.

... Read more