Ratte

Lauf, du Feigling! Ich bin ein gewaltiger Festungspanzer, der dich zermalmen wird!! Die Ketten werden aufgerüttelt, die gewaltigen Räder zittern beim Vorwärtsrollen. Die 2 x 280 mm 54,5 SK C/34 Hauptkanone richtet sich langsam auf dich. Bereit, ihre Kolossgranate abzufeuern.

In reality Landkreuzer P1000 Ratte tank was cancelled in early 1943. The Main gun is 280mm 54.5 SK C/34 naval guns as a primary armament. The turret housing these guns would have been modified heavier cruiser emplacement. capable of 360-degree traverse.

The Anti aircraft guns - The Ratte's proposed Anti-aircraft defenses consisted of multiple systems

Eight 2cm Flak 38 guns, two 15mm MG 151/15 auto cannons, and multiple 20mm and 30mm AA gunsguns with some designs suggesting as many as 24 of each. (plus they are operated by Ratte.)

Back guns - There's one each top side turrets which is Panzerkampfwagen VII Maus turrets. their guns are the 128mm KwK 44 L/55 gun was a formidable weapon.

Second Armament - in addition to the 120mm main gun. the Maus turrets also featured a coaxial 75mm KwK 44 L/36.5 gun and a 7.92mm MG 34 machine gun. The 75mm gun had 100 roundsrounds, whilethe machine gun had 1,000 rounds. Plus they rotate in 360. (also operated by Ratte same for the Anti Aircraft guns.)