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.
Defend yourself and eliminate all your enemies to survive by placing towers at available spots in Antarctica. Use strategy and upgrade wisely. Best of Luck!
