Царь-бомба

[Blitzkommando]

http://en.wikipedia.org/wiki/Tsar_bomba

Equal to having 100 million tons (200 billion pounds) of TNT dropped on your head. Then detonated. The Russians sure knew how to make highly impractial, albeit insanely powerful, nuclear weapons.

[Sord]

and to think that in theory, a weapon twice as strong is possible o.O

[Nitro Vordex]

http://img47.imageshack.us/img47/238/813fullsw9.jpg

[TalHex]

http://i144.photobucket.com/albums/r168/talonshadowfox/okaepora.gif

[Shadowpawn]

originally designed to have a yield of about 100 megatons of TNT, It uses about half that amount.