Supporting the original developers (like Toaplan or Bitwave) ensures these classics remain available on modern hardware. Which version To help you get exactly what you need, let me know:
Some elements of the Truxton ecosystem are available on GitHub for developers. Truxton Free Download
To play the original ROM file, you would need an emulator like MAME . Supporting the original developers (like Toaplan or Bitwave)
A free download of typically refers to one of three things: the classic 1988 arcade shoot 'em up (known as Tatsujin in Japan), the modern PC port, or the open-source digital forensics framework. the modern PC port
What are you using (Windows, Linux, or a retro console)?