Gamers who download the demo will be guided through two levels of the single-player tutorial campaign, experiencing the combat controls and effective tactics for defending humanity against the alien threat. The two tutorial missions will also introduce players to the XCOM base, where soldier training and researching alien technology takes place, and offers a chance to experience the tactical and strategic layers of XCOM: Enemy Unknown. The XCOM: Enemy Unknown playable demo will be available soon for console gamers.