Battleship games online are strategy games in which you have to move and place ships on a virtual board to attack enemy ships. The objective of the game is to sink all the enemy ships before they sink yours (sink the fleet). Ships can move from one square to another on the board, but they cannot cross the vertical or horizontal lines of the board. Enemy ships can be seen on the map, but you cannot see your own ships. To attack enemy ships, click on the square where the enemy ship is located. If hit, the enemy ship sinks.