Halo is an Amazing Game about a time in the distant future when the UNSC (United Nations Space Command) have made soldiers called Spartans (Basicly soldiers with high Tech suits) in order to fight of a Alien race Called the Covenent. That is the basic story but you would have to play the Game to know the whole of it.
Halo 1 is available on PC and Xbox, Halo 2 Xbox, Halo 3, ODST and Halo Reach are available on Xbox 360.
Below is a picture of the main Spartan "Master Chief" you play as him in Halo 1,2 and 3.
