Mega Man Zero on PSP: Not Official, But Playable via Emulation

No official Mega Man Zero release exists on PSP. The series (Zero 1–4) launched exclusively on Game Boy Advance (2002–2005).

How to Play on PSP

• Custom Firmware (CFW) + GBA Emulator:
  • Install CFW (6.61 PRO-C2 / ME-2.3 / Infinity) on any PSP (1000/2000/3000/Go/E1000).
  • Use gpSP-J (best GBA emulator on PSP) or TempGBA (RetroArch core).
  • Place legally dumped .gba ROMs in /PSP/GAME/gpSP/ROMs/.
• PSP Go: Same CFW path. No UMD drive needed.
• Official Alternative: Mega Man Zero Collection (DS, 2010) — all 4 games + gallery + easy mode. Play on 3DS/2DS (backward compatible) or DSi/3DS flashcart (TWiLight Menu++).
• Modern Official Release: Mega Man Zero/ZX Legacy Collection (Switch/PS4/Xbox/PC/Steam) — all 6 games, filters, save states, Z-Chaser mode. Best way to play today.

Legal Note

Downloading GBA ROMs without owning the cartridge = piracy. Dump your own via GBxCart RW, EZ-Flash Omega, or 3DS + GodMode9.