A superweapon is a very powerful weapon compared to others of its time or era. In theory, such a weapon could turn around the outcome of a war very quickly.

Superweapon
Superweapon
Superweapon
Halo (Megastructure)
Wolverine (comics)
Straight Flush (B-29)
RAF Marham
Pay for the work. Another objection is that the NPT does not get rid of existing stockpiles in weapon states. My friend, with the sa...
The Return of Captain Invincible
War Stars: The Superweapon and the American Imagination
Doomsday Men: The Real Dr. Strangelove and the Dream of the Superweapon by Peter D. Smith
Superweapon Software Woes
Superweapon, the making of MX