You give orders while the game is paused to avoid the frantic rush of a real time system.
Once the game is underway you can pause the game at any point to update or change your orders and the game will automatically pause when important events occur, so that you may modify your plans accordingly. Combining a global strategy with small squad tactical combat, the challenge offered is to fight against an alien invasion. These attributes are: Strength, Agility, Dexterity, Willpower, Intelligence, and Perception Strategy - You must manage your bases, interceptions, and squads.