Halo is the first ever military science fiction based first-person shooter game. For those of you who don’t know about it, Halo is one of the most popular first-person shooter games of all times. The Halo Series offers action from the protagonist’s perspective. Halo is complete with a dense graphic setting and subplot. Halo submerges players in an interstellar war between humankind and the Covenant. The Covenant is an alliance of technologically advanced aliens. Led by religious leaders called Prophets; the Covenant is out to eradicate mankind.