If you are looking for Girlfight or similar titles, check these reputable storefronts: Epic Games Store GOG.com (Good Old Games) Humble Bundle
Websites offering paid games for "free" are often a front for distributing malware. Because these files are "cracked" (modified to bypass digital rights management), they require you to disable security features, leaving your system vulnerable.
: These downloads often contain hidden scripts that can encrypt your files for ransom or steal your saved passwords and banking information.