Sink down 50 ships

Sink down 100 ships

Sink down 200 ships

Sink down 2 ships in a row

Sink down 3 ships in a row

Save 50% of your fleet

Save 70% of your fleet

Sink down a four-decker without a single miss

Win a battle with a single ship remaining

Successfully strike a target 3 times in a row

Successfully strike a target 4 times in a row

Successfully strike a target 5 times in a row

Hit a target with the first shoot of the round

Participate in 10 battles

Participate in 20 battles

Participate in 30 battles

Achieve 3 victories in a row

Achieve 5 victories in a row

Achieve 7 victories in a row

Visit the game 3 days in a row

Visit the game 5 days in a row

Visit the game 10 days in a row