Heavy Unit

Where and when.

• 1990-12-12

  Date precision

  Exact date

• 1989-12-22 · TurboGrafx-16 · Japan^*

  Release date

  1989-12-22^*

  Date precision

  Exact date^*

  Platform

  TurboGrafx-16^*

  Market

  Japan^*

• 1988 · Arcade^*

  Release date

  1988^*

  Date precision

  Year only^*

  Platform

  Arcade^*

• 1989-12-22 · TurboGrafx-16^*

  Release date

  1989-12-22^*

  Date precision

  Exact date^*

  Platform

  TurboGrafx-16^*