The Dreadnaught Factor is a ship shooter for Atari 5200 published by Activision in 1983, in which the player must pilot a combat ship to destroy an enormous space battleship, targeting its reactors while dodging its defensive artillery.
Its focus on a single giant-scale enemy, divided into destructible sections, made it an original offering within the 5200's shooter catalog, anticipating boss-combat structures that would become popular later in the genre.
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