Tatsuya Uemura: Zero Wing was based on the Hellfire engine and was made by new recruits as part of their training, but we stopped doing horis after that. I think we realized we just didn't know how to make a horizontal shooter interesting. Later we were told by many users that they really liked Zero Wing, but to be honest, I don't know what they liked about it.
No Export for You: Only arcade of video game released in America, and no plans to remake are possible anytime. But since home version is on Japanese Genesis, Virtual Console fans are hold some hope.
AD 1991 version of the Genesis or Mega Drive released in Europe. Actual famous sequence of introduction is this edition.