German submarine U 777 - Alchetron, The Free Social

u777U7777 Game is an innovative on gaming platform that offers a wide variety of casino-style games, including slots, poker, roulette, blackjack, and live dealerU-777 was a Type VIIC submarine that served in the 31st Flottille from May to October 1944. It was sunk by bombs at Wilhelmshaven and later scuttled in 1945.