Those lines were immortalized in the 1967 TV commercial for Milton Bradley's first edition of the board game Battleship. But the game had existed in various pencil-and-paper forms since the early part of the 20th Century. Since then, the game has been adapted into electronic versions, video games, and now mobile phone apps. But next year the game is being reinvented again as a big-budget action movie.

So how are they turning a fairly simple two-player strategy game into a two-hour silver-screen spectacle? By adding aliens.