Halo: Reach

Game Cheats:

Unlock avatar reward: Carter's Helmet:
Clear a Campaign mission on Legendary without dying.

Unlock avatar reward: Emile's Helmet:
Earned a Bulltrue medal in either multiplayer or Firefight Matchmaking.

Unlock avatar reward: Jorge's Helmet:
Earn a Killtacular in multiplayer Matchmaking.

Unlock avatar reward: Jun's Helmet:
Kill 100 enemies in a row without dying in either the Campaign or Firefight.

Unlock avatar reward: Kat's Helmet:
Avenge a teammate's death in multiplayer Matchmaking

Achievements:

The Soldier We Need You To Be
Reward: 25 Points
Objective: Completed the Campaign on Normal difficulty.

Folks Need Heroes...
Reward: 50 Points
Objective: Completed the Campaign on Heroic difficulty.

Gods Must Be Strong
Reward: 125 Points
Objective: Completed the Campaign on Legendary difficulty.

A Monument To All Your Sins
Reward: 150 Points
Objective: Completed every mission in Halo: Reach alone, on Legendary.

We're Just Getting Started
Reward: 10 Points
Objective: Completed the 2nd mission on Normal or harder.

Protocol Dictates Action
Reward: 10 Points
Objective: Completed the 3rd mission on Normal or harder.

I Need A Weapon
Reward: 10 Points
Objective: Completed the 4th mission on Normal or harder.

To War
Reward: 10 Points
Objective: Completed the 5th mission on Normal or harder.

You Flew Pretty Good
Reward: 10 Points
Objective: Completed the 6th mission on Normal or harder.

Into The Howling Dark
Reward: 10 Points
Objective: Completed the 7th mission on Normal or harder.

Dust And Echoes
Reward: 10 Points
Objective: Completed the 8th mission on Normal or harder.

This Is Not Your Grave
Reward: 10 Points
Objective: Completed the 9th mission on Normal or harder.

Send Me Out... With A Bang
Reward: 10 Points
Objective: Completed the 10th mission on Normal or harder.

They've Always Been Faster
Reward: 25 Points
Objective: Cleared the 2nd mission without setting foot in a drivable vehicle.

Two Corpses In One Grave
Reward: 25 Points
Objective: Killed 2 vehicles at once with the Target Locator in the 3rd mission.

Banshees, Fast And Low
Reward: 25 Points
Objective: Hijacked a Banshee during the Reach Campaign.

Your Heresy Will Stay Your Feet
Reward: 25 Points
Objective: Killed the Elite Zealot before he escaped during the 5th mission.

If They Came To Hear Me Beg
Reward: 25 Points
Objective: Performed an Assassination against an Elite to survive a fall that would've been fatal.

Wake Up Buttercup
Reward: 25 Points
Objective: Destroyed the Corvette's engines & escort in under 3 minutes in the 6th mission on Heroic or harder.

Tank Beats Everything
Reward: 25 Points
Objective: Finished the 9th mission on Legendary with the Scorpion intact.

Lucky Me
Reward: 25 Points
Objective: Earned a Triple Kill while Jetpacking in Campaign, Firefight or Matchmaking.

KEEP IT CLEAN
Reward: 5 Points
Objective: Killed 7 Moa during the 2nd mission of the Campaign.

I Didn't Train To Be A Pilot
Reward: 10 Points
Objective: Killed 3 of the anti-aircraft batteries during the 8th mission.

Doctor, Doctor
Reward: 5 Points
Objective: Used a Health Pack to replenish life after taking body damage.

That's A Knife
Reward: 10 Points
Objective: Performed an Assassination on an enemy.

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

An Elegant Weapon
Reward: 10 Points
Objective: Killed 10 enemies in a Firefight or Campaign session with the DMR.

Swap Meet
Reward: 10 Points
Objective: Traded weapons with an AI ally in Campaign.

A Spoonful Of Blamite
Reward: 10 Points
Objective: Killed 10 enemies in Firefight or Campaign with a supercombine explosion.

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

Yes, Sensei
Reward: 10 Points
Objective: Earned a First Strike Medal in a Matchmaking game.

Skunked
Reward: 10 Points
Objective: Won a game of Invasion in the 1st phase.

What's A Killing Spree?
Reward: 5 Points
Objective: Earned a Killing Spree in multiplayer Matchmaking.

Crowd Control
Reward: 10 Points
Objective: Earned a Killionaire medal in Firefight.

Knife To A Gun Fight
Reward: 5 Points
Objective: As an Elite, killed 5 Spartan players in Matchmaking.

Score Attack
Reward: 10 Points
Objective: Scored 15,000 points in Score Attack Firefight Matchmaking.

Firestarter
Reward: 10 Points
Objective: Scored 50,000 points in a Firefight game.

Blaze Of Glory
Reward: 25 Points
Objective: Scored 200,000 points in a Firefight game.

Heat In The Pipe
Reward: 75 Points
Objective: Scored 1,000,000 points in a Firefight game.

Game, Set, Match
Reward: 25 Points
Objective: Completed a Firefight set on Legendary without dying.

Make It Rain
Reward: 10 Points
Objective: Purchased an item from the Armory that required the rank of Lt. Colonel.

The Start Of Something
Reward: 15 Points
Objective: Reached the rank of Corporal in the UNSC.

An Honor Serving
Reward: 25 Points
Objective: Reached the rank of Captain in the UNSC.

A Storage Solution
Reward: 5 Points
Objective: Used the File Browser to upload a file to your File Share.

A New Challenger
Reward: 10 Points
Objective: Completed all of the Daily Challenges in a given day.

Make It Drizzle
Reward: 10 Points
Objective: Purchased an item from the Armory.

Cool File, Bro
Reward: 5 Points
Objective: Recommended a file to someone.

Lemme Upgrade Ya
Reward: 10 Points
Objective: Advanced a Commendation to a Silver state.

One Down, 51 To Go
Reward: 10 Points
Objective: Completed a Weekly Challenge.

DLC: Noble Map Pack

Both Barrels
Reward: 50 Points
Objective: Noble 1: Earn a Double Kill with the shotgun in multiplayer Matchmaking.

Cross-Mappin'
Reward: 50 Points
Objective: Noble 1: Kill a player at long range with the DMR in a matchmade Slayer game.

Offensive Driver
Reward: 20 Points
Objective: Noble 1: Earn a kill in a matchmade Rocket Race game.

Poppin' & Lockin'
Reward: 25 Points
Objective: Noble 1: Destroy a vehicle using Armor Lock in a matchmade game.

Totally Worth It
Reward: 50 Points
Objective: Noble 1: Earn a Double Kill from the Grave in multiplayer Matchmaking.

You Ate All the Chips
Reward: 42 Points
Objective: Noble 1: Collect all of the flags in a matchmade Stockpile game.

You Blew It Up!
Reward: 13 Points
Objective: Noble 1: Blow up the research facility in a matchmade Invasion game on Breakpoint.

DLC: Defiant Map Pack

Return to Sender
Reward: 30 Points
Objective: Defiant: Successfully return two flags in a matchmade CTF game.

Crackin' Skulls
Reward: 45 Points
Objective: Defiant: Kill 3 players with the Oddball in a matchmade Oddball game.

Candy from a Baby
Reward: 75 Points
Objective: Defiant: Capture two flags from an enemy capture zone in a matchmade Stockpile game

DLC: Anniversary Map Pack

Top Shot
Reward: 50 Points
Objective: Anniversary: Earned 3 headshots in a row in a matchmade game.

Emergency Room
Reward: 15 Points
Objective: Anniversary: Infected 3 players in a single round in a matchmade Infection game.

Stick it to the Man!
Reward: 20 Points
Objective: Anniversary: Killed the flag carrier with a Plasma Grenade in a matchmade game.

Dive Bomber
Reward: 50 Points
Objective: Anniversary: Performed a Beat Down on an enemy while using the Jetpack during a matchmade game.

License to Kill
Reward: 15 Points
Objective: Anniversary: Ran over 5 people with a vehicle in a matchmade game.

Bounty Hunter
Reward: 75 Points
Objective: Anniversary: Captured 10 skulls at once in a matchmade Headhunter game.

From Hell's Heart
Reward: 25 Points
Objective: Anniversary: Killed an enemy with their own grenade that was stuck to you in a matchmade game.