Landkreuzer P. 1000 "Ratte" (Rat) – a planned super-heavy tank, weighing 1000 tonnes and armed with two 280mm cannons, one 128mm anti-tank gun, 8 20mm flak guns and 2 15mm heavy machine guns; cancelled in early 1943 Panzer VII "Löwe" (Lion) – a planned super-heavy tank, weighing 90 tonnes and armed with a 105mm cannon; cancelled in March 1942 in favor of the Panzer VIII Maus Panzer VIII "Maus" (Mouse) – a super-heavy tank, weighing 180 tonnes and armed with two cannons of 128mm and 75mm calibre; five were ordered but only two operable prototypes completed - lone survivor currently on display at the Kubinka Tank Museum. Panzerkampfwagen E-100 – a planned super-heavy tank, weighing 140 tonnes and armed with either 128 or 150 mm cannon, one prototype hull nearly completed, the hull was later captured and evaluated by the British before being scrapped in the 1950s