Nearly all text, including story dialogue, items, and menu descriptions, is translated.
The V2 patch is considered the "definitive" way to play the PSP version in English, offering several critical improvements over the initial fan release: Text Refinement: Final Fantasy Type-0 -english Patched V2- Psp Iso
Re-translated key terms, reconstructed sentences for better flow, and fixed description errors in missions. Nearly all text, including story dialogue, items, and