You are surrounded by the waves of zombies! You need to be quick to kill them all and break out! At the end of each level, you can use the gold to upgrade.
Load the catapult and collapse the Vikings in building. Challenge 33 levels and show all your strategic skills to get the best score and all the gold medals.
Strike down the enemies once again with a pistol or a sniper rifle. Don't forget to shoot the bomb within 2 seconds otherwise it'll explode and damage your health.