There is no official .dmg or Mac-compatible installer for the game.
Because the game uses older 32-bit architecture and DirectX libraries specific to Windows XP and Vista, it does not run natively on any version of macOS.
It is important to note that RapeLay was officially in 2009. This followed significant international controversy and pressure from human rights groups and organizations like Equality Now. Because it is no longer sold by the developer:
Almost any site claiming to offer a "Rapelay Mac Download" is likely providing a repackaged Windows file bundled with malware or adware .