GAME CHEATS

When you reach the part where you must destroy the monitor no current weapon you have will destroy it. Sargent Johnson will give you the spartan laser. Shoot him with three blasts and it will destroy the monitor.

In both metropolis and gravemind you will encounter ultra elites, they have white armour
The trick with them is not to get too close or they will draw a energy sword and strike you with it or if you get away from them before they strike they will follow you until they get you (unless a […]

You will need a plasma pistol and a automatic firing weapon (perhaps a couple of plasma grenades). Charge the plasma pistol and release it on both shields instantly discharging them, then fire at it or throw grenades.
The best places to attack it would be first to fire at it in the massive arms on it, […]

Use a beam rifle and aim for the pink part of the hunter

and shoot (it might take a few times.)

Fuel rod cannon (few hits) or a rocket launcher attack.
Shoot them with a automatic weapon in orange part in the back.

Don’t worry about the guards, just run to regret and board his vechile/chair.
Keep on meleeing him until he dies

Sneak up on the enemy and hit them in the back of the head.
If quitely enough you can take out a entire group.
(Note: Doesn’t work on hunters)
(Note 2: When hitting sentinels, they will explode and cause you some damage)

First you must get the envy skull.
Go through a checkpoint in camo, save and quit, turn off the xbox.
Reload the file and you will have unlimited camo.
(Note, this will last only during delta halo)

Level: High charity

Difficulty: Legendary

Effect: Allies are immune to melee attacks.
When you get to the final gravity lift, hold X and look up
the skull will pass quickly so hold X before it comes.

Level: Metropolis
Difficulty: legendary 
Effect: Allies throw a lot of plasma grenades
Right after you get out of the sewers(Tunnel), there is a big area and 2 ghosts, kill every thing first, then go to the middle of it where you see a arc that leads up onto a building, grenade jump by it to get enough height […]

Get a covenant carbine, aim for the brutes head and shoot at it (if the brutes wearing a helmet, shoot up to three times)