At the time of the game's release, a real-life professional boxing match may have lasted up to 15 rounds.

[3] To start the game, the player must select a fighting speed by pushing the numbers one, two or three on the keypad or the directional disc.

The #6 yellow boxer is considered "unpredictable", and will be given a random set of abilities by the computer.

Each round of the match lasts 90 seconds in simulated time, compared to three minutes in real life.

Using the controller's directional pad, players can move their boxers closer to or away from their opponent in order to throw punches.