Cool Story Bro

Cool Story Bro is an achievement in Halo: The Master Chief Collection. It is obtained by finding and listening to the Final Grunt in Halo 3 's level Halo.

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Achievements in Halo: The Master Chief Collection (list)

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Campaign

LASO Master • Life Story • Balaho's Most Wanted • The One Percent • Spoilsport • Going Bananas • Hunters Hunted • Checkmate • I Was Wondering What Would Break First • Pest Control • Delicious Brains • The Guardians Are Coming • Mystery Achievement • Herald of the Reclamation • Veteran • War Hero • Legend • Throne of Bones • Gruntageddon • Were It So Easy • Scavenger Hunt • Dankey Kang • Wyrmslayer • Remove the Bishops From the Board • Knightbane • Dogcatcher • Zombie Repeller • Standard Operating Brocedure • Brovershield • Bro Hammer • Lore Master • I Dabble in Slaying • Sample Plate • No Pain, No Gain

v • d • e Multiplayer

Tempered Blade • Contender • Forged in Fire • Sharpshooter • In It To Win It • Battle Hardened • Thermopylae • Striking Fear in Their Hearts • Steady Aim • Quick Trigger Finger • Multiplayer Champion • Nice Work Dawg! • Aim for the Head • Dim Mak • Domination • Double Trouble • Spree Master • Catch This • Party Pooper • Planting A Flag • The True King

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General

Just Getting Started • Foe Hammer • Thanks A Killion • Your Journey Begins • Where Am I? • Game On • I Got This • Can't Put It Down • Bonus Level • Up All Night • Can't Get Enough • Committed • Big Time Gamer • Long Time Fan • The Long Haul • Just A Taste • All Out of Bubblegum • A Pile of Medals • A Crate of Medals • A Heap of Medals • A Few Trinkets • Oh, These Baubles? • Chesty Puller Starter Kit • Medal Master Chief • The Good, The Bad, and The Dead • Medal Completionist • Stick With It...A Little Longer • Game Master • Master Forger • Bite The Hand

v • d • e Halo: Combat Evolved Anniversary

Campaign completion	Pillar of Autumn • Halo • Truth and Reconciliation • The Silent Cartographer • Assault on the Control Room • 343 Guilty Spark • The Library • Two Betrayals • Keyes • The Maw • Greenhorn • Birth of a Spartan • Believe in a Hero • Living Legend

Campaign scoring	Didn't Like This Ship Anyways • Flyover Country • You Can't Handle the Truth • Hit The Beach • Would It've Killed You To Take The Elevator • Lightning in a Bottle • TLDR • Whistle Stop Tour • Scurty Bump • All You Can Eat • Did Somebody Say... • Pillar of Awesome • Giant Hula Hoop • You Really Can't Handle the Truth • Charted • Vetro Strike • Circuit Breaker • Reading Room • It Was Inevitable • Headstrong • Consumption Junction • Overachiever

Collectibles	Arrival • Sacrifice • Splinters • Idle Hands • Hitchhikers May Be Escaping Convicts • Bearly Contained • Quis custodiet ipsos custodes? • Memories • Mind Games • Kilotons of Fun • Dear Diary... • Skulltaker Halo: CE: Iron • Skulltaker Halo: CE: Mythic • Skulltaker Halo: CE: Boom • Skulltaker Halo: CE: Foreign • Skulltaker Halo: CE: Famine • Skulltaker Halo: CE: Bandana • Skulltaker Halo: CE: Fog • Skulltaker Halo: CE: Malfunction • Skulltaker Halo: CE: Recession • Skulltaker Halo: CE: Black Eye • Skulltaker Halo: CE: Eye Patch • Skulltaker Halo: CE: Pinata • Skulltaker Halo: CE: Grunt Birthday Party • Headhunter

Easter eggs	Madrigal Debut • My Buddy Chips • No Smoking • T-Rex • Thirsty Grunt • Megg

Miscellaneous	A Day To Remember • Back In The Day • You Are The Weapon • Get Me Out of Here! • Feet Firmly Planted • Pacifist • Before and After • He's Unstoppable! • Overshields are for Sissies • Walk It Off • No-Fly Zone • How Pedestrian • Close Quarters Combat • That Just Happened • Look Out for the Little Guys • Leave It Where It Lay • All According to Plan... • Beachhead • Wraith Hunter • Tying Up Loose Ends • This Side Up • Goat Roped • Airborne • Sightseeing • Checking Out Your Options • A Fine Choice • Excellent Taste • Like a Fine Wine

v • d • e Halo 2: Anniversary campaign

Campaign completion	Cairo Station • Outskirts • Metropolis • The Arbiter • Oracle • Delta Halo • Regret • Sacred Icon • Quarantine Zone • Gravemind • Uprising • High Charity • The Great Journey • Big Green Style • Warrior • Hero • Legendary Anniversary

Campaign scoring	Don't Hangar Around • Rooftop Runner • Speeding Ticket • YOLO Strats • Reed the Strategy • So You Don't Want the Tank? • I Regret Nothing • Terminal Velocity • Hot Zone • Force of Will • No Man's Land • Feeling Charitable • Are We There Yet? • Going Nowhere Fast • Bomb Squad • Objective Secured • Ripple Fire • Heresy Will Not Stay My Feet • Leave None Alive • Boundless • Fists of Fury • Guided Tour • The Doctor Is In • Official Business • The Hype Is Real • Scorched Earth • Frequent Flyer Miles • Arcade Owner

Collectibles	Curious • Inquisitive • Examiner • Inspector • Fascinated • Enchanted • Enamored • Determined • Delighted • Knowledgable • Scholar • Reviewer • Obsessed • Walking Encyclopedia • Skulltaker Halo 2: That's Just... Wrong • Skulltaker Halo 2: Thunderstorm • Skulltaker Halo 2: Blind • Skulltaker Halo 2: IWHBYD • Skulltaker Halo 2: Catch • Skulltaker Halo 2: Grunt Birthday Party • Skulltaker Halo 2: Famine • Skulltaker Halo 2: Envy • Skulltaker Halo 2: Assassins • Skulltaker Halo 2: Mythic • Skulltaker Halo 2: Sputnik • Skulltaker Halo 2: Anger • Skulltaker Halo 2: Ghost • Skulltaker Halo 2: Iron • Skulltaker Halo 2: Black Eye • Trophy Collector • And So It Begins... • Regrettable Turn of Events • The Will of the Prophets • Chieftain of the Brutes • Don't Make a Girl a Promise • My Work is Done • I Like Crazy • Pyrrhic Solution • Toybox

Easter eggs	The Return of Megg • Cowardly Grunt • Siege of Ivory Tower • THE Chips Dubbo? • Rex Sword • 10 Minutes Too Early • He's Running a Marathon... • HI BEN • E E E • GOOOAAAAALLLL! • Scarab Lord • Destination vacation • Why So Serious • Why Am I Here? • Animal Habitat • Sid Graffiti

Miscellaneous	Back At It • Six Pedals, Four Directions • Betcha can't stick it... • Needs More Whammy Bar • Like Peanut Butter and Chocolate • Starved For Shields • Tighten Up The Graphics • Commuter • He Never Gets Me Anything • Silent But Deadly • Demon • Go Ape Shiv • Dirty Bird • Back for More • Monopolized • Tourist • Window Shopping • Seconds • Connoisseur

v • d • e Halo 2 Anniversary multiplayer

Invaders Repelled • Triple Threat • Bombing Run • Cold Fusion • Counter-Sniped • Eminent Domain • Stayin' Alive • Top Gungoose • The Goose is Loose • Shook the Hornet's Nest • Skeet Shooter • Red vs. Blue • Cold as Ice • Power Play • Shields Up! • Wetwork • MVP • Grand Theft Halo • Tour of Duty • Double Down • Warden • Blown Out of the Sky • Decorated Warrior • Ninja Redux • Flaming Ninja Anniversary • Legend Slayer • Zealot • Put Up Your Dukes • Roadkill Rampage • Rock and Coil Hit Back

BLAST Soda	Bloody Thirsty! • Thirst Locked Down! • Rule Your Thirst! • High Altitude Thirst! • Worship Your Thirst! • Gate Your Thirst! • BLASTacular! • Monumental Thirst!

v • d • e Halo 3

Campaign completion	Landfall • Holdout • The Road • Assault • Cleansing • Refuge • Last Stand • The Key • Return • Training Wheels • Prophet's Bane • With Your Shield or On It • Finished the Fight

Campaign scoring	Speedy One One Seven • Time Shift • Highway Robbery • Lightning Strike • Dambuster • Waypoint • Scarab Slide • Making History • Go, Chief! Gun It! • Speed Demon • Guerilla • King of the Crows • Cavalier • Askar • Exterminator • Ranger • Vanguard • Orpheus • Torchbearer • Better With Age

Collectibles	Rising Waters • Inundation • Before the Fire • Tipping Point • Unto Dust • Babbling Dead • Sword and Shield • The Coin's Fault • Whispers Across the Galaxy • No Stone Unturned • Skulltaker Halo 3: Iron • Skulltaker Halo 3: Black Eye • Skulltaker Halo 3: Tough Luck • Skulltaker Halo 3: Catch • Skulltaker Halo 3: Fog • Skulltaker Halo 3: Famine • Skulltaker Halo 3: Thunderstorm • Skulltaker Halo 3: Tilt • Skulltaker Halo 3: Mythic • Skulltaker Halo 3: Blind • Skulltaker Halo 3: Grunt Birthday Party • Skulltaker Halo 3: Cowbell • Skulltaker Halo 3: IWHBYD • Witch Doctor • Assembly Skull • Orbital Skull • Sandbox Skull • Citadel Skull • Heretic Skull • Longshore Skull • Brainpan

Easter eggs	Dirge of Madrigal • Missing Link • Primate • Haplorrhini • Can't Keep Him Down • Flipyap • Heading to his Destiny • Sounds Familiar • Milk Carton • Cool Story Bro • Man on the Moon • Hippo Hero • Elder Signs

Miscellaneous	Third Time's A Charm • Mind the Gap • Begins with a Single Step • Who Needs Them? • Phantom Hunter • Annual • A Preference for Pain • Devastating • World Traveler • Just Browsing • Boot Camp Hero • Aficiando

v • d • e Halo 3: ODST

Campaign completion	Junior Detective • Investigator • Gumshoe • Bloodhound • Private Eye • Secret Agent • Tayari Plaza • Uplift Reserve • Kizingo Boulevard • ONI Alpha Site • NMPD HQ • Kikowani Station • Data Hive • Coastal Highway • Rookie • Urban Warfare Badge • First In, Last Out • Mean Streets of New Mombasa

Campaign scoring	Bill Past Due • Floor It! • An Artist's Canvas • A Pleasant Trip • First Stop: Anywhere But Here! • Feet Don't Fail Me Now • Overtaken By Events • Double Time! • Can't Stop Here, This is Brute Country • Survey Says... • Don't Strain Your Metaphors • Son of a Gun • I Love My Job • Pour It On • Squid Jackpot! • Magic Touch • This Oliphant Has No Brakes • The Marine Corps Gives Its Regards

Collectibles	Listener • An Ear Full • Tuned In • Do Tell • Hear Me Out • Eavesdropping • Auditor • Overheard • Wiretapping • Monitored • Hang Onto My Words • Give Heed • Get A Load • Snoop Troop • All Ears • Ear Bender • Plugged In • Attentive • Watchful • Observant • Scout • Adventurer • Spotter • Considerate • On Your Toes • Archivist • Your Attention Please • Catching On • Wisening Up • Audiophile • Record Store Owner

Easter eggs	One Got Away • Like a Broken Record • Vandalized • Saturday Morning Cartoon • Two Places, Same Time

Miscellaneous	Do You Remember When We Met • Naughty Naughty • Well... Maybe One or Two • Déjà Vu • Safety Not Guaranteed • Nagato Makes Moving Easy • Classic • Catch 'Em Napping • Strong, Silent Type • Bip! Bap! BAM! • Pineapple Express • Fowl Hunt • Does Whatever a Spartan Can? • Firefly • "BLAM" Said The Lady! • One Way Ride • Just Sayin...I Ain't Dead • Deference of Darkness • Those Left Behind • Shoot and Scoot • Fast and Low • Shiny... • Bits and Pieces • What About Those Tanks? • Xenophobia • NEXT! • Trifecta

v • d • e Halo 4

Campaign completion	Dawn • Requiem • Forerunner • Infinity • Reclaimer • Shutdown • Composer • Midnight • Librarian's Gift • Wake Up, John • I Need a Hero • The Legend of 117 • Lone Wolf Legend • Operation Completion • Departure • Artifact • Catherine • Didact's Hand • Memento Mori • Scattered • Invasion • Expendable • Key • Exodus • Feet First • Term of Enlistment • Hazard Pay • Icarus • Smooth Operator

Campaign scoring	Piece of Cake • Interloper • Raging in the Dark • Ouroboros • Gimme That • Shut. Down. Everything. • Symphony of Pain • Countdown • Easy As One Two Three • Gunslinger • Dark Fortress • Shadow of Sundered Star • Jungle Warfare • Librarian's Pet • Emergency Shutdown • Head Banging • Witching Hour • You Had it Coming

Collectibles	War • Lord of Admirals • Charum Hakkor • Flood • Knights • Justice • Cryptum • Terminus

Easter eggs	Digging up the Past • Roses vs Violets

Miscellaneous	A Long Time Ago • This is my Rifle, this is my Gun • Bros to the Close • Mortardom • Explore the Floor • Give Him the Stick • Chief, Smash! • You're No Chips • Naked Tyrant • Devotee • Chest of Gold • You're Joking • No One Left Behind • Knight in White Assassination • What Power Outage? • No Easy Way Out • Going International • Taste Test

v • d • e Halo: Reach

Campaign completion	We're Just Getting Started • Protocol Dictates Action • I Need A Weapon • To War • You Flew Pretty Good • Into The Howling Dark • Dust And Echoes • This Is Not Your Grave • Send Me Out... With A Bang • Welcome to Reach • The Soldier We Need You To Be • Folks Need Heroes... • Gods Must Be Strong • A Monument To All Your Sins

Campaign time	Winter Urgency • Just Like Storming a Castle • Now Just You Gúta Minute • Generous Tipper • Sabre Metrics • Quicker Than Reading the Book • One For the Record Books • Speedy Delivery • Wait, How'd the Ship Get Down Here? • Fast Fall

Campaign score	Ice In Your Veins • Still Sharp • Moon's Out, Goons Out • Bake That Cake • Insomnia • Parting the Sea • Nine Lives Are a Myth • How Did I Lose All My Fingers? • Precious Cargo • We'll Be Back • Left Behind • One Final Firefight

Collectibles	Hey, You Dropped This • Read Halsey's Journal • Meeting of the (Artificial) Minds • Rampant Speculation • Minority Report • Info Dump • Paper Trail • Terminal Conditions • Digital Destinies • Clear and Present Danger • Unreliable Narrator • What Does It All Mean? • Unsolved Mysteries • Meddling and Madness • The Answer is Simple • Of Patience and Partiality • Curious Composition • Silent Shepherds • Assembled the Majority • Yes No You Decide • Canonical Conundrum

Easter eggs	Forza in the Fall • HBOrg Special • Play Us a Sad Song, Claude • We're Gonna Need a Bigger Ship • Front Page News • The Humble Beginnings of Wiljax Brantley • Did You Major in Marine Bio? • Fly, You Fools! • This is Not the Greatest Lab in the World… • Jorge Can't Have All the Big Guns • I'm Sorry, Dave • Collection Eligibility Confirmed • Mind the Skill Gap • Easy to Overlook • New Ways to Save a Quid • Confused Callouts • No Picnic • What About Bob?

Miscellaneous	T'vaoan Terminator • Chol Von's Not Gonna Like This • Keep It Clean • They've Always Been Faster • Wake Up Buttercup • Two Corpses In One Grave • Your Heresy Will Stay Your Feet • I Didn't Train To Be A Pilot • Tank Beats Everything • Swift and Shallow • Why Do This To Yourself? • Reach Has Been Good to Me • Who Needs Red Flag? • Remember Reach • Keep Your Foot on the Pedrogas • Enemies Everywhere! • Negative, Ghostrider • Skunked • Workers' Compensation • Capacious Cartography • Requiescat in Pace • Run and Gunned • Game Breaker • Because It Wasn't Hard Enough • Classic Completion

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