No version of Garena Free Fire exists for the PlayStation Portable. The search term is a trap set by clickbait sites and malware distributors to exploit nostalgic gamers.

Any website claiming to offer a "Free Fire PSP ISO" is either:

Garena never developed a PSP version of Free Fire. The game was built exclusively for mobile devices (Android/iOS) and later for PC via emulators like GameLoop. There is no UMD disc or PSN digital release for PSP.

As a concept, “Free Fire PSP ISO Highly Compressed” is a charming fantasy for retro enthusiasts—but in practice it’s mostly hype, broken builds, and risk. If you crave nostalgia, pursue authentic PSP classics or safe indie alternatives; if you want Free Fire, stick to the official platforms for the real, polished experience.