Search volume for remains high, despite the game’s age. Why?
No legitimate “ Cadillacs and Dinosaurs PSP ISO ” exists as a commercial product. Any such file you find online is either a ROM wrapped in an emulator or a pirated conversion. Capcom lost the license to the Cadillacs brand (General Motors) and the Xenozoic comic rights, so an official re-release is highly unlikely.
Instead, retro gaming on the PSP relies on . The PSP hardware is perfectly optimized to run Capcom's original CPS1 arcade board at a full 60 frames per second with crystal-clear audio. How to Play the Game on Your PSP