Can You Play Rayman 1 (1995) on PSP Go? No Official Version, But Emulation Works
No official version exists. Rayman (1995) launched on PS1, Saturn, PC, Jaguar—never on PSP.
Workarounds
PS1 Emulation (PSP Go): Install CFW (e.g., Infinity), then use POPS Emulator (built-in) or Adrenaline (ePSP) to run the PS1 version (disc image required). Performance is excellent.
Rayman Legends (PSP Go Native): Available on PSN (if previously purchased). A modern 2D platformer with similar charm, but different gameplay.
Rayman Origins (PS Vita/PS3): Not on PSP.
Legal Note: Only emulate games you own. Downloading ISOs you don't own is piracy.