Battleships puzzles can be played interactively on the computer, offering many features and advantages compared to pencil and paper. This section explains everything about how to play Battleships on the computer. If you are not yet familiar with the puzzle rules, please go to Battleships rules.
Filling squares with ship segments or water
Battleships interactive is played by filling squares with ship segments or water. First click fills the square with water, second click fills the square with a ship segment and the third click brings the square back to its original state. Multiple squares may be filled or blanked by dragging the mouse.
Completing ship segments
When filling a square with a ship segment, the square will turn gray indicating it isn’t yet known which part of the ship it is going to be. As gray ship segments become surrounded with water or with other ship segments the color of the gray squares will change to black and their shape will change to show the appropriate ship segment which they represent.
Completing row or column
When all squares in a row or a column are completed, the corresponding number will change to gray. Empty squares in a row or a column may be filled with water by clicking the corresponding number. To finish the game, all squares must be filled with either ship segments or water. When the last square of the puzzle is filled correctly, a congratulations message will pop up.
All game functions are accessed through the toolbar. For some toolbar buttons, keyboard shortcut keys are also available as listed below. Toolbar may be positioned horizontally or vertically using the rotate button on the left edge, and relocated anywhere in the game by dragging its frame.
Enlarge small puzzles for best viewing on your screen.
Reduce large puzzles for best fit on your screen.
Undo (Keyboard: U)
Go back as many steps in the game as you want.
Redo (Keyboard: R)
Go forward after using Undo as many steps as you want.
Restart puzzle to solve from the beginning.
Check puzzle (Keyboard: C)
Check all filled squares for errors.
Show elapsed solving time.
Show solution of the puzzle. Using this button will also end the game.
Open Preferences dialog box. New preferences will be automatically saved on the computer.
Open About dialog box to see puzzle size, difficulty, ID, title and other information.
Open How to play Battleships page you are reading now.
Open Print dialog box. New print options will be automatically saved on the computer.
Save puzzle (Keyboard: S)
Save current state of the puzzle.