Plasma Sword: Nightmare of Bilstein, released in 1999 for the Sega Dreamcast, is a 3D fighting game and a sequel to the arcade game Star Gladiator. Set in a sci-fi universe, players engage in combat with a roster of characters each wielding unique weapons and special moves. This game is known for its colorful graphics, diverse character roster, and the inclusion of a strategic 'Plasma Field' feature in its gameplay.