The greatest type of ancient mortar ever built. According to legend (and much to the envy of Roman siege engineers) it was constructed by Germanic craftsmen.
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—Age of Empires description
The Big Bertha is a siege weapon in Age of Empires and has the appearance of a Heavy Catapult. It has a much larger blast diameter, +5 attack, +50 hit points, and +3 range compared to the Heavy Catapult. It can only be acquired by using the cheat "Big Bertha". The cheat turns all units in the Stone Thrower line into Big Berthas, but does not work with converted units. Big Bertha is also available in the Scenario Editor (since the Definitive Edition).
Big Bertha refers to a piece of artillery produced by the Germans during the early 20th century. Big refers to its size and Bertha refers to the first name of the owner of the company that developed the howitzer.