Locate the fleet of ships in the grid using logic only. Three difficulty levels to choose from and two different fleet sizes – the standard 10 ship fleet plus a 15 ship fleet. If you are stuck, there is a handy hint option or the program will solve one cell for you with an explanation. This puzzle is also known as Battleship Solitaire.Yubotu is adapted from the popular online version that has been generating well crafted puzzles since 2007. Try the game for free at the developer’s website on your desktop or smartphone.This application does not require any internet access to play.