In the game Lego Ninjago: Whack a Shark you will help Ninja Go to fight against the sharks who will attack him. Before you will see the playing field with holes. Of these, sharks will appear. You have a hammer in your hand. With it, you can strike at enemies. Carefully look at the screen and as soon as a shark appears in the hole, bring the sight to it and click on the screen. Thus, your character will also be striking with a hammer. Remember that ordinary people can appear from the holes. You can not beat them. After all, all the few hits on civilians and you lose the round.