Halo is a first person shooter game in the 26th century, where you take control of Spartan 117, more known as Master Chief. The point of the game is to stop the Covenant, an extraterrestrial life form; destroy Halo, a mega weapon found in space; and stop the Flood, a disease that turns the body into a zombie-like slaves. Using human and alien weapons Master Chief must stop the destruction of Earth before it is too late.