It is a beat em'up/versus fighting game based on the MazinSaga manga by Go Nagai, which was in turn a spin-off of Nagai's original Mazinger Z.
Teenage Mutant Ninja Turtles | Fighter aircraft | The Saga of Darren Shan | The Ultimate Fighter | fighter | IV Fighter Command | Street Fighter | The Forsyte Saga | Teenage Mutant Ninja Turtles (1987 TV series) | mutant | fighter aircraft | Saga | Street Fighter II | TIE fighter | Super Puzzle Fighter II Turbo | RAF Fighter Command | Ultimate Fighter | The Twilight Saga (film series) | The Twilight Saga: Breaking Dawn – Part 1 | Saga (band) | Orkneyinga saga | Óláfs saga Tryggvasonar | Laxdæla saga | Hell's Angels: The Strange and Terrible Saga of the Outlaw Motorcycle Gangs | Donatello (Teenage Mutant Ninja Turtles) | 48th Fighter Wing | Ynglinga saga | Voltage Fighter Gowcaizer | The Ultimate Fighter 2 | Teenage Mutant Ninja Turtles (1990 film) |