After that, you can try loading your mods again. If any files are missing or corrupted, Steam will redownload them. From there, click Verify Integrity of Game Cache. This can be done through Steam by right-clicking on Cities: Skylines in your library, selecting Properties, and then going to the Local Files tab. One of the first things you should do if your mods aren’t loading is to verify the integrity of your game cache. Here are some common issues that people experience with the Cities Skylines game, along with steps you can take to troubleshoot them.
While the game Cities Skylines can be extremely fun and engaging, it can also become very frustrating if you can’t get certain mods to load on your computer.