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.
Shoot down every single bandit until the wanted criminal is drawn out. Assassinate the level bosses to proceed to the next level. You will have a wider arsenal of weapons as you progress and the bosses will get tougher.
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.
Prepare for the exciting battle with alien robots. Kill them all in ricochet style to pass the level. Choose the best place for the shot by moving your character.
Deplete enemy's invasion forces and stop their offensive. When facing a large number of enemies, the only way to deter them is to use the powerful Haiphong battery.
