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Table of ContentsCampaign: Mission CompletionCampaign: Overall CompletionCampaign: Mission-SpecificFirefightMultiplayer MatchmakingMultiple Game ModesOtherDLC: Noble Map PackDLC: Defiant Map PackDLC: Halo AnniversaryThis achievement guide was originally compiled by Mahdi (GT: Frakjoy), and modified with tips found by the SIP community.
Campaign: Mission Completion
The mission completion achievements listed below require you to complete each mission on Normal or higher difficulty in a single continuous playthrough (can't save and quit mid-way through). Note that "Noble Actual" is considered to be the first mission; "Winter Contingency" is the second mission, and so on.
Video walkthroughs with commentary on Legendary difficulty (solo) are provided for each mission, courtesy of WikiGameGuides.
We're Just Getting Started 10
Completed the 2nd mission on Normal or harder.
Winter Contingency Video Guide
Protocol Dictates Action 10
Completed the 3rd mission on Normal or harder.
ONI: Sword Base Video Guide
I Need A Weapon 10
Completed the 4th mission on Normal or harder.
Nightfall Video Guide
To War 10
Completed the 5th mission on Normal or harder.
Tip of the Spear Video Guide
You Flew Pretty Good 10
Completed the 6th mission on Normal or harder.
Long Night of Solace Video Guide
Into The Howling Dark 10
Completed the 7th mission on Normal or harder.
Exodus Video Guide
Dust And Echoes 10
Completed the 8th mission on Normal or harder.
New Alexandria Video Guide
This Is Not Your Grave 10
Completed the 9th mission on Normal or harder.
The Package Video Guide
Send Me Out... With A Bang 10
Completed the 10th mission on Normal or harder.
The Pillar of Autumn Video Guide
Campaign: Overall Completion
All of the campaign completion achievements are stackable, so following the guide above solo will unlock all of the following achievements. Some overall tips:
Using the right weapon, armor capability, and staying in cover are key to survival and success. Some other helpful hints are hooking up your Marines with better weapons and letting them drive around while you go on foot or on another vehicle so that they can either cause damage on their own, die on their own, or simply just cause a distraction so you can pick off enemies one at a time.
It is helpful to remember that when you are fighting with a Spartan(s), if they should die for some odd reason, they will respawn again and again so make use of your Spartan(s) and let them take on as many Elites/Brutes as possible.
Helpful combos: armor lock up and shotgun/sword for close combat; active camo for assassinations, the noob combo = plasma pistol and any rifle.
The Soldier We Need You To Be 25
Completed the Campaign on Normal difficulty.
Folks Need Heroes... 50
Completed the Campaign on Heroic difficulty.
Gods Must Be Strong 125
Completed the Campaign on Legendary difficulty.
A Monument To All Your Sins 150
Completed every mission in Halo: Reach alone, on Legendary.
Campaign: Mission-Specific
The following achievements require you to complete tasks in specific missions. Unless otherwise messaged, all achievements require you to play on Normal or harder difficulty. Video guides are provided for each achievement.
They've Always Been Faster 25
Cleared the second mission without setting foot in a drivable vehicle.
Use the sprint armor ability to run from one engagement to the next. Do not enter any part of a vehicle (driver's seat, gunner, or passenger seat).
KEEP IT CLEAN 5
Killed 7 Moa during the 2nd mission of the Campaign.
Kill the wildlife that look like this. All 7 must be killed in one life (without reloading checkpoints or dying).
(Achievement Hunter)
Two Corpses, One Grave 25
Killed two vehicles at once with the Target Locator in the third mission.
Load ONI: Sword Base at Rally Point Alpha and target the two Wraiths as shown in the following video. You cannot hijack either Wraith and must kill both within 1.5 seconds of each other, or you will have to retry.
(Achievement Hunter)
Banshees, Fast and Low 25
Hijacked a Banshee during the Reach Campaign.
Load Tip of the Spear at Rally Point Bravo and skyjack a Banshee as shown in the following video.
Video Guide (Achievement Hunter)
Banshees can also be skyjacked on the New Alexandria and The Package (Rally Point Bravo) missions.
Your Heresy Will Stay Your Feet 25
Kill the Elite Zealot before he escaped during the fifth mission.
Load Tip of the Spear at Rally Point Alpha and kill the marked Elite before he decides to run away.
(Achievement Hunter)
Wake Up, Buttercup 25
Destroyed the Corvette's engines & escort in under 3 minutes in the 6th mission on Heroic or harder.
Load up Long Night of Solace at Rally Point Alpha and clear the first three waves of Banshees and Seraphs. The timer for the achievement starts right after the cutscene ends.
(Achievement Hunter)
(rabidkitty4)
I Didn't Train To Be A Pilot 10
Killed three of the anti-aircraft batteries during the 8th mission.
After destroying the three jammers, destroy three of the six Shade turrets assaulting the ONI tower.
(Achievement Hunter)
Tank Beats Everything 25
Finished the 9th mission on Legendary with the Scorpion intact.
(Achievement Hunter)
(rabidkitty4)
If They Came To Hear Me Beg 25
Performed an Assassination against an Elite to survive a fall that would have been fatal.
Approach #1: Pillar of Autumn, Mission Start
As soon as the cutscene finishes, run around the corner. You'll find yourself at the top of a cliff with an Elite and a few Grunts below. Sprint off the edge and hold RB (if you use the deafult button layout) to assassinate the Elite. Note that you must turn off Sprint about halfway down - otherwise you will survive the fall. In addition, if you are too far behind the Elite, you will lunge at it, which will slow down your falling speed and make the fall survivable. One way to make sure that the fall is not survivable is to turn on the Black Eye skull and damage your shields and health with a grenade.
Video Guide (Achievement Hunter)
Approach #2: Tip of the Spear, Rally Point Bravo
Shortly after the chopper crashes. Before your attack on the Spire. There's an Elite manning a Plasma Turret. If you use the jet-pack, you can rock climb up high enough to get above him and drop down for the assassination.
Rendered Film Clip (SIP Crucio)
Approach #3: Nightfall, Mission Start
Assassinate the first Elite quietly. The snipe the two sleeping Grunts. Then work your way around the cliff to the right and sprint off the ledge and kill the Elite below.
! Private video (GAMESLATESTvideos)
Approach #4: Nightfall, Mission Start
After assassinating the Elite & two grunts, carry on up the path. To your right, you will see a ledge with a tree leaning out over the path you are on. Get yourself up on that raised position & look down towards the Elite, 3 dozing grunts & a Jackal over by the cliff edge. Now watch the lopsided figure of eight patrol pattern of the Elite. You are now waiting for the Elite when he is at his furthest position from you, to walk backwards towards the comms tower on the right - not face it & walk towards it.
Rendered Film Clip (BREQ)
Firefight
All Firefight achievements except for Score Attack can be completed in custom Firefight.
Firestarter 10
Scored 50,000 points in a Firefight game.
See Heat in the Pipe. This can also be completed in Firefight matchmaking (any Firefight playlist except for Score Attack).
Blaze of Glory 25
Scored 200,000 points in a Firefight game.
See Heat in the Pipe.
Heat in the Pipe 75
Scored 1,000,000 points in a Firefight game.
In Custom Firefight, use this gametype and set the difficulty to Legendary.
(IGN)
Game, Set, Match 25
Completed a Firefight set on Legendary without dying.
See Heat in the Pipe. Make sure that the difficulty is set to Legendary. This can also be done in Firefight matchmaking (go to the Firefight Limited playlist and vote for the Legendary Limited gametype).
Crowd Control 10
Earned a Killionaire medal in Firefight.
(Achievement Hunter)
Score Attack 10
Scored 15,000 points in Score Attack Firefight Matchmaking.
This can be done in any gametype in the Score Attack playlist except for Gruntpocalypse (because it is not possible to score enough points in a single round). Enemies are worth more if you kill them with style (e.g. headshots), many at the same time (multikills), and at high sprees (stay alive!).
Multiplayer Matchmaking
Yes, Sensei 10
Earned a First Strike medal in a matchmaking game.
Get the first kill in a multiplayer matchmaking game. The medal is also awarded at the beginning of rounds in round-based gametypes (e.g. Grifball, 1 Flag CTF, Infection).
What's a Killing Spree? 5
Earned a Killing Spree in multiplayer matchmaking.
Skunked 10
Won a game of Invasion in the first phase.
Be My Wingman, Anytime 5
Let a teammate spawn on you five times in an Invasion Matchmaking game.
You must be out of combat for your teammate to spawn on you. The five spawns do not have to be consecutive or in the same round.
Knife to a Gun Fight 5
As an Elite, killed 5 Spartan players in Matchmaking.
This can only be earned in the Invasion playlist.
Multiple Game Modes
Doctor, Doctor 5
Used a Health Pack to replenish life after taking body damage.
Note that you cannot use a health pack if your health is full but shields are down.
That's a Knife 5
Performed an Assassination on an enemy.
Hold RB (if using the default button layout) while behind an enemy. Brutes and dual-wielding Elites cannot be assassinated in Campaign or Firefight if they are aware of your presence.
I See You Favour a .45 10
Killed 10 enemies in a Firefight or Campaign session with the M6G pistol.
Point and shoot with the pistol.
An Elegant Weapon 10
Killed 10 enemies in a Firefight or Campaign session with the DMR.
Point and shoot with the DMR.
Swap Meet 10
Traded weapons with an AI ally in Campaign.
Walk up to a marine and hold X to swap weapons. You cannot swap weapons with any Spartan on Noble Team.
A Spoonful of Blamite 10
Killed 10 enemies in Firefight or Campaign with a supercombine explosion.
Easiest to earn in Firefight (custom or matchmaking) - simply use the needler on Elites if you're having trouble getting the required explosion. You must see the little pink explosion medal for all 10 kills in order for it to count. All ten kills must be completed in one life.
(NextGenTactics)
Lucky Me 25
Earned a Triple Kill while Jetpacking in Campaign, Firefight, or Matchmaking.
Best done while in Firefight with a rocket launcher or fuel rod - point at grunts and shoot. The kills must be earned when the jetpack is active. In Campaign, the jetpack is available for use on Tip of the Spear (Rally Point Bravo), Exodus, New Alexandria, and The Package (Rally Point Bravo).
Other
Make It Drizzle 10
Purchased an item from the Armory.
This achievement can be earned immediately upon starting Reach for the first time because the game starts you off with 5,000 cR.
The Start Of Something 15
Reached the rank of Corporal in the UNSC.
You need to accumulate 10,000 cR to reach the rank of Corporal.
An Honor Serving 25
Reached the rank of Captain in the UNSC.
You need to accumulate 210,000 cR to reach the rank of Captain.
Make It Rain 10
Purchased an item from the Armory that required the rank of Lt. Colonel.
You need to accumulate 450,000 cR to reach the rank of Lt. Colonel. The armor permutations unlocked at Lt. Colonel are:
Helmets: EVA UA/HUL[3] (15,000 cR), JFO Base (60,000 cR), Mark V (130,000 cR)
Visor Colors: Black Visor Color (100,000 cR)
Shoulders: CQC (20,000 cR)
Chest: Collar/Breacher (8,000 cR)
Wrist: Tactical/UGPS (80,000 cR; UA/Bracer required)
Utility: Tactical/Trauma Kit (60,000 cR)
Knee Guards: Grenadier (45,000 cR)
A Storage Solution 5
Used the File Browser to upload a file to your File Share.
Cool File, Bro 5
Recommended a file to someone.
A New Challenger 10
Completed all of the Daily Challenges in a given day.
One Down, 51 To Go 10
Completed a Weekly Challenge.
Lemme Upgrade Ya 10
Advanced a Commendation to a Silver state.
DLC: Noble Map Pack
The following achievements require that you have the title update installed (which is required for online play), but the achievements can be unlocked on any map unless otherwise specified.
You Blew It Up! 13
Blow up the research facility in a matchmade Invasion game on Breakpoint.
The second phase of Invasion on Breakpoint requires the attacking team to plant and detonate the bomb to access the core. The achievement will unlock upon detonation of the bomb.
Poppin' and Lockin' 25
Destroyed a vehicle using Armor Lock in a matchmade game.
Best earned in BTB against a Ghost boosting at you.
You Ate All the Chips 42
Collect all of the flags in a matchmade Stockpile game.
Four of the flags on the map must be dropped into the ring and collected at the same time. Stockpile is available in the following playlists: Anniversary BTB, Anniversary Squad, Big Team Battle, Team Objective, and Team SWAT.
Both Barrels 50
Earn a Double Kill with the shotgun in multiplayer matchmaking.
Can be easily earned in the Living Dead playlist or the Shotgun Assault gametype (which appears in Action Sack).
Cross-Mappin' 50
Kill a player at long range with the DMR in a matchmade Slayer game.
Make sure that the DMR's reticle is not red when zoomed in. Crouch to reduce the DMR's reticle bloom. Shooting the Wraith on Hemorrhage or Falcon on Spire/Breakpoint is a good idea because they are bigger targets.
Offensive Driver 20
Earn a kill in a matchmade Rocket Race game.
Rocket Race only appears in the Multi Team playlist as Rocket Hog Race; you must be in the vehicle to score kills and enemies must be out of their vehicles (or out of the safe playable volume of the map) to be killed.
Totally Worth It 50
Earn a Double Kill from the Grave in multiplayer matchmaking.
One way to earn this achievement is to toss a grenade at a group of enemies or a vehicle just as you are about to be killed.
DLC: Defiant Map Pack
The following Defiant Map Pack achievements can be unlocked on any map in Reach.
These achievements can also be earned in custom games with a friend or second controller. You must download versions of the gametypes that have been updated shortly after the release of the Defiant DLC (March 17, 2011). Links to these gametypes can be found below for each achievement and are hosted on ReachMMVariants' file share.
Return to Sender 30
Return two flags in a matchmade CTF game.
Kill (or have your teammate) kill the flag carrier and sit to return the flag to your base. All players in the vicinity of the flag when the return timer expires will be credited with a return. Flags are on touch return in the Speedflag gametype. CTF gametypes appear in the Team Objective, BTB, Premium Battle, and Action Sack playlists.
Capture The Flag (v3, last updated May 3, 2011)
Speedflag
Candy From a Baby 75
Capture two flags from an enemy capture zone in a matchmade Stockpile game.
The flags must be dropped by the enemy team in their capture zone, you need to run them back to your capture zone, and collect them when the timer runs out. Stockpile is available in the Team SWAT and BTB playlists. This achievement cannot be earned in Speedpile because flags are captured instantly.
Stockpile (v3, last updated May 3, 2011)
Crackin' Skulls 45
Kill 3 players with the Oddball in a matchmade Oddball game.
Oddball appears in the Team Classic, Rumble Pit, Team SWAT, Team Objective, and Multi Team playlists.
Oddball (v4, last updated June 8, 2011)