A simple game of tactical spaceship combat. Eleven types of ships are presented in the game. Each ship is rated for movement, hits, and the number of weapons systems carried. Seventeen different weapons are available, each rated for size, damage, range, and ammunition supply. Defensive systems which may be installed on ships include armor, missile defense system, and a self-destruct mechanism. The players build fleets of ships which have an equal number of hit points, as set by scenario.