Azgard Defence

In the universe of Marvel's fictional world of Asgard there. Government in it a wise god Odin and his sons: Loki and Thor. There is a legend in the history of asgardiyskoy that Loki will go against his father, and made ​​an alliance with the enemies to conquer the throne. It seems that the predictions begin to come true. On the lands of Asgard there were hordes of monsters, and only you the strength to save the world from destruction and chaos. Set your magic crystals shooting on the towers to destroy the enemy and stop the attack.