For multi-disc games, use CDMage to merge discs into a single volume, then convert to PBP. This is advanced but yields the cleanest "Top PBP" files.
The horror genre defined. The PBP format works well here, keeping the tension high without long loading times. pbp psx roms top
Below is a draft highlighting the top games often sought in this format: Top PSX-to-PSP (.PBP) Classics Final Fantasy VII For multi-disc games, use CDMage to merge discs