The most incredible shooting and strategy tower defense game is here.
In this game,your sea port is attacks by sea monsters.you will have to place ships in order to fight against sea monsters.
Create a line of defense around your sea port to kill them.Don't let them reach your port or you will death.
Kill more monsters to earn more money.With more money you can buy more powerful ships to shoot them.

Now, it is your time to deal with them in sea.

Good luck!