In summer 1942, the Porsche company received an order for the development of an assault tank with as much protection as possible and a powerful gun. One of the results of the superheavy Maus tank's development was the Typ 205 Mäuschen, a design project with the same interior. Existed only in blueprints.
The technical characteristics shown are for the Siege mode
Characteristics are specified for a vehicle with crew members trained to 100%.