The merchant ships started to disappear in the vast expanses of the ocean. It was discovered that the terrorists hiding on the islands laid their hand on these ships. Neutralize the threat! Destroy the terrorists. Make the shipping routes safe. A warship is at your disposal. Receive ammunition via air support periodically. Get supplementary weapon and scores by gathering additional objects. Join your counterparts from all over the world and beat your best score! If your score is among the Top 10, you can upload it to our Web site and thousands of other players all over the world will be able to see your highscore! Are you up for the challenge? Download Sea Guard Online and Play for Free!