In simple terms, a "repack" takes the original game files and compresses them into a much smaller downloadable archive. For Cities: Skylines 2 , which officially requires around 60 GB of free space, the repack version often cuts that download size in half—sometimes down to 25–30 GB.
You have slow internet or a monthly data cap. The space savings are incredible for a game this dense. Cities Skylines 2-Repack
Cities: Skylines 2 is infamous for poor CPU optimization and VRAM leaks. Whether you use a repack or the official version, you will need to tweak settings. However, repacks sometimes remove the Paradox Launcher (which consumes 800MB of RAM), giving you a slight performance boost. In simple terms, a "repack" takes the original