The Viking Queen was in her castle, in her summer residence, when she was attacked by enemies. Nobody expected this and the consequences can be the most dire. The queen took with her a minimum of guards, an archer stands behind her, but he alone cannot cope, although he will shoot continuously. Only you can help defend the castle, and for this you must first choose mathematical actions that will contribute to this. Further down the panel, examples and answer options will appear. You must quickly click on the correct answers, and then the queen herself will start shooting back from enemies and she will get it more efficiently thanks to your ability to solve problems in the game Viking Queen Defense.
