You cannot legally download the ROM. Alternatives:
In the modern era, the search query "cadillacs and dinosaurs ps1 rom" is driven less by gameplay superiority and more by historical curiosity and preservation.
4.1. The Port as a Historical Artifact Emulation communities seek the PS1 ROM not because it is the definitive way to play the game, but because it is a unique iteration. It represents a specific developmental philosophy of the 1990s: the "arcade perfect port" was an elusive goal, and the PS1 version documents the struggle to achieve it. cadillacs and dinosaurs ps1 rom
4.2. Accessibility vs. Accuracy While the CPS-1 arcade ROM remains the gold standard for gameplay enthusiasts, the PS1 ROM offers accessibility features that the arcade version lacked, such as saved game states (via memory cards) and the specific CD-quality audio tracks unique to that release.
Q: Is there an English patch for the PS1 version?
A: Not that I’m aware of. The arcade version has an English fan translation for MAME, but the PS1 port remains in Japanese. You cannot legally download the ROM
Q: Can I play it on PS Vita or PSP?
A: Only if you have a hacked device and convert the disc backup to an EBOOT.PBP format using PSX2PSP. Legality depends on owning the disc.
Q: Why isn’t this game re-released?
A: The license for Cadillac vehicles (General Motors) and the comic rights (Mark Schultz) expired long ago. Capcom no longer has the rights. Forget the PS1 ROM
Forget the PS1 ROM. Buy a Miyoo Mini, Anbernic RG35XX, or Retroid Pocket. Install MAME for ARM. Drop the official .zip ROM of Cadillacs and Dinosaurs onto the SD card. You will get perfect, lag-free emulation on a device cheaper than a PS1 cost in 1996.
Many websites mislabel arcade ROMs. You might download a file named cadillacs.zip or dino.zip. This is the original CPS1 arcade ROM. To play it, you cannot simply burn it to a CD. You need an emulator like MAME (Multiple Arcade Machine Emulator) or FinalBurn Neo.