We highly recommend that you stay away from such downloads and instead support the developers by purchasing the game. Your digital security and peace of mind are worth far more than the risk and hassle of a pirated, unstable, and potentially malicious file.
. A 500MB version would require a compression ratio of nearly cities skylines highly compressed 500mb hot
Here is why you should stay away from such "highly compressed" versions: Impossible Compression : The actual install size of Cities: Skylines is roughly 4GB to 10GB We highly recommend that you stay away from