While a genuine NFGMulticrack Exclusive release might exist in a private forum for a specific niche game (like a 2010 RPG with broken SecuROM DRM), the public versions of this keyword are overwhelmingly dangerous. The golden age of safe, simple cracking (the era of Razor1911 and RELOADED) is largely over. Today, ransomware gangs actively use "crack exclusives" to gain initial access to home networks.
Stay safe, stay legal, and game on.
Save yourself the headache. Support the developers who make the games you love, use legitimate DRM-free stores, and treat your digital hygiene as seriously as your physical health. The only true "exclusive" experience worth having is a computer that is not riddled with malware.