If you absolutely refuse to play the PSP titles and want God of War Ragnarök on the go, you have two legitimate (but advanced) options:
The screen turned a blinding white. A new error message popped up—not from the emulator, but from within the game interface: ERROR: GRAPHICS NOT FOUND. LOADING BACKUP NARRATIVE... God Of War Ragnarok Ppsspp Highly Compressed BEST - Google
This article is for educational purposes. We do not condone piracy. Always purchase games legally to support the developers. If you absolutely refuse to play the PSP
: The real God of War Ragnarök is only available on PlayStation 5 (PS5), PlayStation 4 (PS4), and Windows PC . This article is for educational purposes
Wait, should I check if there's any official information about God Of War on PSP? No, I know that the God of War series was originally on PlayStation 2 and later versions, but not on PSP. So using PPSSPP for a PS4/PS5 game isn't feasible. That's another point to clarify.
Search for "God of War Ghost of Sparta ISO highly compressed" (avoid the word Ragnarok). Look for trusted ROM sites with community feedback (check Reddit r/Roms for megathreads). The file should be in .iso or .cso format.