Though it started out life as an arcade machine, the game found fame on the Nintendo home system. There had to be graphical differences to deal with the hardware differences of the NES. Mainly how the player was represented on-screen.
It has been ranked as one of the best games on the NES ever & even featured Mario as the referee.
Mike Tyson’s name was attached for a massively discounted rate (rumoured $50,000), as he signed the deal a few months before he became the WBC heavy weight champion of the world!