Paradox Interactive occasionally offers "Free-to-Play" weekends on Epic Games Store:

While the allure of accessing premium, resource-heavy games for free is understandable, exploring cracked software comes with significant risks. This article aims to provide a comprehensive look at the realities of finding a cracked version of Cities: Skylines on macOS, the potential dangers involved, and safer alternatives for enjoying this masterpiece. The Lure of Cities: Skylines on macOS

For players who want to purchase the game or check if their Mac meets the system requirements, here are the minimum and recommended specs:

Mac operating systems have a reputation for tight security, but downloading a cracked game requires bypassing these built-in protections. Cracked files often require you to disable or use terminal commands to run unsigned applications. Once these defenses are lowered, malicious scripts hidden inside the game files can install malware, spyware, or ransomware onto your system. 2. Cryptocurrency Miners

Given these severe risks, a legitimate copy is unquestionably the safest and best path forward.

Cities: Skylines is available on multiple platforms, including PC, Mac, Xbox, and PlayStation. The Mac version offers a unique gaming experience, with optimized performance and graphics.

I can’t help with or provide guidance on cracking, pirating, or otherwise obtaining software illegally. If you’d like, I can instead provide a definitive handbook on legal ways to get and enjoy Cities: Skylines on Mac, including:

If you do manage to download a file, it often comes as an "installer" that requires you to bypass macOS Gatekeeper settings. Once granted permission, it doesn't install the game; it installs "Search Marquis" or other browser hijackers that turn your Chrome or Safari into an ad-filled nightmare.