The cheats for Halo: Reach and the achievements were revealed before the game’s release date. Halo: Reach is a First Person Shooter (FPS) video game developed by Bungie Software exclusively for Xbox 360. The title will be published by Microsoft Game Studios starting with September 14, 2010 and it is rated M for Mature.http://www.gamespot.com/xbox360/action/haloreach/tech_info.html?tag=tabs%3Bsummary

The action in Halo: Reach takes place after the events from Halo: Combat Evolved. In year 2552, the humanity ruled by United Nations Space Command continues the war against the alien race known as the Covenant. Most of the human colonies have fallen but one, known as Reach, has survived the attacks until now. The United Nations Space Command sends his elite soldiers, the Spartans to the a new colony where the faith of humanity could be decided.http://xbox360.gamespy.com/xbox-360/halo-project/

The game features a similar gameplay like in the previous episodes. The player will assume the role of a new soldier from the Noble Team who will fight side by side with the Spartans. New weapons and gears are available in Halo: Reach as well as new graphics, special effects and an improved AI.http://xbox360.gamespy.com/xbox-360/halo-project/

The Multiplayer Mode will be available through Xbox Live, System Link, and Split-Screen where up to 4 players can fight offline and 16 online. In addition to that, in Halo: Reach each player is able to customize his character’s appearance when the game starts.http://xbox360.gamespy.com/xbox-360/halo-project/

The Soldier We Need You To Be: Finish the Campaign on Normal difficulty.

Folks Need Heroes...: Finish the Campaign on Heroic difficulty.

Gods Must Be Strong: Finish the Campaign on Legendary difficulty.

A Monument To All Your Sins: Finish every mission in Halo: Reach alone, on Legendary difficulty.

We're Just Getting Started: Finish the 2nd mission on Normal or harder difficulty.

Protocol Dictates Action: Finish the 3rd mission on Normal or harder difficulty.

I Need A Weapon: Finish the 4th mission on Normal or harder difficulty.

To War: Finish the 5th mission on Normal or harder difficulty.

You Flew Pretty Good: Finish the 6th mission on Normal or harder difficulty.

Into The Howling Dark: Finish the 7th mission on Normal or harder difficulty.

Dust And Echoes: Finish the 8th mission on Normal or harder difficulty.

This Is Not Your Grave: Finish the 9th mission on Normal or harder difficulty.

Send Me Out... With A Bang: Finish the 10th mission on Normal or harder difficulty.

They've Always Been Faster: Finish the 2nd mission without setting foot in a vehicle.

Two Corpses In One Grave: Kill 2 vehicles at once with the Target Locator in the 3rd mission.

Banshees, Fast And Low: Hijack a Banshee during the Reach Campaign.

Your Heresy Will Stay Your Feet: Kill the Elite Zealot before he escapes during the 5th mission.

If They Came To Hear Me Beg: Perform an Assassination against an Elite to survive a fall that would've been fatal.

Wake Up Buttercup: Destroy the Corvette engine and escort in under 3 minutes in the 6th mission on Heroic or harder difficulty.

Tank Beats Everything: Finish the 9th mission on Legendary difficulty with the Scorpion intact.

Lucky Me: Earn a Triple Kill while Jetpacking in Campaign, Firefight or Matchmaking Modes.

Keep It Clean : Kill 7 MOA during the 2nd mission of the Campaign.

I Didn't Train To Be A Pilot: Kill 3 of the anti-aircraft batteries during the 8th mission.

Doctor, Doctor: Use a Health Pack to replenish life after taking body damage.

That's A Knife: Perform an Assassination on an enemy.

I See You Favour A .45: Kill 10 enemies in a Firefight or Campaign session with the M6G pistol.

An Elegant Weapon: Kill 10 enemies in a Firefight or Campaign session with the DMR.

Swap Meet: Trade weapons with an AI ally in Campaign Mode.

A Spoonful Of Blamite: Kill 10 enemies in Firefight or Campaign with a super combined explosion.

Be My Wingman Anytime: Let a teammate spawn on you 5 times in an Invasion Matchmaking game.

Yes, Sensei: Earn a First Strike Medal in a Matchmaking game.

Skunked: Win a game of Invasion in the 1st phase.

What's A Killing Spree?: Earn a Killing Spree in multiplayer Matchmaking.

Crowd Control: Earn a Killionaire medal in Firefight.

Knife To A Gun Fight: As an Elite, kill 5 Spartan players in Matchmaking.

Score Attack: Score at least 15,000 points in Score Attack Firefight Matchmaking.

Firestarter: Score at least 50,000 points in a Firefight game.

Blaze Of Glory: Score at least 200,000 points in a Firefight game.

Heat In The Pipe: Score at least 1,000,000 points in a Firefight game.

Game, Set, Match: Complete a Firefight set on Legendary without dying.

Make It Rain: Purchase an item from the Armory that required the rank of Lt. Colonel.

The Start Of Something: Reach the rank of Corporal in the UNSC.

An Honor Serving: Reach the rank of Captain in the UNSC.

A Storage Solution: Use the File Browser to upload a file to your File Share.

A New Challenger: Complete all of the Daily Challenges in a given day.

Make It Drizzle: Purchase an item from the Armory.

Cool, File Bro: Recommend a file to a friend.

Lemme Upgrade Ya: Advance a Commendation to a Silver state.

One Down, 51 To Go: Complete a Weekly Challenge.