One of the most popular games in Russia is "Sea Battle". The aim of the game is simple - you must quickly destroy all the enemy ships. It is simple. Each player draws a square. On top they write letters A through G, as a side numbers from 1 to 10. 5 ships are placed within this square, each the size of one, two, three, four and five cells. Player 1 asks player 2: "A1?" And he answers: "Hit", "Missed" or "Killed". There are two players.