You have to get through several levels then you work with the aliens to defeat the flood.
You cannot play as Covenant in the original Halo
jackal
No
u cant
defiently halo 3 hunter
The covenant is an alien species in halo including grunts and elites.
halo in the game or film is a alien weapon that has an ability to destroy galexies
You can't.
If you want to be an alien you have to be player 2 or up.
Technically, yes.There is that 'laser sword' that the alien elites use.Another Answerer:""laser sword" used by the alien Elites."-Previous answererThere is a sword in Halo but it isn't really a sword it is called the Energy SwordIn Halo 1 only the enemy can use it but in later Halos(except ODST and Halo Wars)it is usable by the player
No. You can't turn invisible whenever you want like in Halo 2. P.S The ALIEN is one of the main characters in Halo 2&3, his name is simply the Arbiter
Halo is all about saving the world by stopping an alien force called the Covenant from activating the Halo rings. That's pretty much the story.