Skip Paradox Launcher
Step 1
Show file extensions in Windows
Open Steam game directory, where Cities2.exe is located
Create a new file Cities2.bat (!NOT! .bat.txt or .txt)
Open this file with Editor
Insert
Cities2.exe %command%
Save and close this file
Step 2
Open Steam
Rightclick on Cities Skylines II
Select Properties
Insert into startup parameters
Cities2.bat %command%
Exit this windows and start the game
UNINSTALL PARADOX LAUNCHER
Don’t forget to uninstall Paradox Launcher, as it runs in background.
Use Windows Apps – Uninstall for it. No further cleanup needed.
WHY TO AVOID PARADOX LAUNCHER
Paradox Launcher violates personal data protection rights, according to the European law.
This software installs without your agreement, scans your PC, captures every available telemetrics. Paradox stated not selling this data to third party companies, but everyone knows this is BS.
FAQ
This guide works for almost all Paradox / Steam games.
Steam overlay might be disabled while using this.
Steam achievements will work / confirmed.