Halo 3 is a another part to the Halo Saga. . You play as Master Chief who is there to finish the fight! While playing your main mission is to find Cortona. Cortona was left with the Flood on the Covenant base in Halo 2. In Halo 3 you will be fighting with the Arbiter and the Elites. You will be facing some big problems/barriers on your way. The Covenant like always is your main target. Also on your journey look out for skulls.