Beat the fifth parallel and the fighting tournament will become two player.
First Parallel: Get to the ship Captain's quarters after 4:30.
Second Parallel: Get there between 3:30 and 4:30.
Third Parallel: Get there before 3:30.
Fourth Parallel: Happens after Third Parallel.
Fifth Parallel: Get there before 3:30 and 4:30 but lose the fight.
Thanks to Revolution reader Thomas Wisdom!