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Mass Effect 3 Walkthrough

Kurtis Seid
By Kurtis Seid, Game Guides Editor

This is my favorite guide on the Citadel. Our Mass Effect 3 Walkthrough covers the entire spectrum of the single player story, multiplayer tips, and how to build a powerful army.

Mass Effect 3 Walkthrough

Scanning List

While traveling around the galaxy inside the Normandy you can discover many planets. By scanning these worlds you can unlock extra Credits, War Assets and Shadow Broker Intel to boost both your squad members and the entire war effort. New Clusters unlock by progressing through the story and listening to NPCs on the citadel for clues.

After Mars

Reward Type Planet System Cluster
Javlin Missile Launchers 50 War Asset Watson Skepsis Sigurd's Cradle
Credits Salvage Laena Decoris Sigurd's Cradle
Banner of the 1st Regiment Artifact Digeris Castellus Apien Crest
Turian 79th Flotilla 40 War Asset Pheiros Gemmae Apien Crest
Prothean Data Files 75 War Asset Zion Utopia Exodus Cluster
Alliance Naval Exploration Flotilla 75 War Asset Tyr Asgard Exodus Cluster
Remains of Reaper Destroyer Intel Borr Asgard Exodus Cluster
Alliance Cruiser Shanghai 40 War Asset Terra Nova Asgard Exodus Cluster
Alliance Spec Ops Team Delta 35 War Asset Loki Asgard Exodus Cluster
Weapon Upgrade Kit Intel Verush Harsa Kite's Nest
Pillars of Strength Artifact Khar'Shan Harsa Kite's Nest
Credits Salvage Adek Untrel Kite's Nest
Credits Salvage Trebin Antaeus Hades Gamma
Special Ops Team Zeta 103rd Marine Division Update Nonuel Plutus Hades Gamma
Credits Salvage Klensal Dis Hades Gamma
Alliance Frigate Agincourt Alliance First Fleet Update Juntauma Farinata Hades Gamma
Credits Salvage Chohe Cacus Hades Gamma

After Palaven

Reward Type Planet System Cluster
Advanced Biotic Implants Intel Metaponto Aquila Ismar Frontier
Credits Salvage Pietas Fortis Minos Wasteland
Credits Salvage Zada Ban Xe Cha Shrike Abyssal
Prothean Obelisk Artifact Talis Fia Urla Rast Shrike Abyssal

After Sur'Kesh

Reward Type Planet System Cluster
Credits Salvage Mavigon Han Gemini Sigma
Alliance Cruiser Nirobi Alliance Third Fleet Update Parag Ming Gemini Sigma
Shadow Broker Wet Squad 25 War Asset Rothla Dranek Krogan DMZ
Black Market Artifacts Artifact Vana Vular Kite's Nest
Intel from the Battle of Arcturus Intel Arcturus Station Arcturus Arcturus Stream

After Tuchanka

Reward Type Planet System Cluster
Artifact Book of Plenix Irune Aru Aethon Cluster
Volus Fabrication Units 45 War Asset Cherk Sab Aru Aethon Cluster
Volus Intelligence Archives Intel Oma Kar Nura Aethon Cluster
Volus Dreadnought Kwunu 50 War Asset Solu Paolis Esori Aethon Cluster
Volus Engineering Team 50 War Asset Nalisin Satu Arrd Aethon Cluster
Interferometric Array 45 War Asset Eletania Hercules Attican Beta
ExoGeni Scientists 50 War Asset Feros Theseus Attican Beta

After Citadel Attack

Reward Type Planet System Cluster
Asari Cruiser Cybean 30 War Asset Tevura Parnitha Athena Nebula
Asari Research Ships 35 War Asset Egalic Orisoni Athena Nebula
Asari Cruiser Nefrane 30 War Asset Pronoia Tomaros Athena Nebula
Hesperia Period Statue Artifact Polissa Vernio Athena Nebula
Asari Engineers 30 War Asset Trikalon Ialessa Athena Nebula
Intact Reaper Weapon Intel Trategos Pelion Nimbus Cluster
Library of Asha Artifact Carcosa Agaiou Nimbus Cluster
Credits Salvage Pietas Fortis Minos Wasteland
Prothean Data Drives Artifacts Garvug Paz Valhallan Threshold
Emergency Fuel Pods 30 War Asset Elohi Micah Valhallan Threshold
Element Zero Converter 50 War Asset Farlas Micah Valhallan Threshold

After Geth Dreadnought

Reward Type Planet System Cluster
Credits Salvage Mavigon Han Gemini Sigma
Alliance Cruiser Nirobi Alliance Third Fleet Update Parag Ming Gemini Sigma
Shadow Broker Wet Squad 25 War Asset Rothla Dranek Krogan DMZ
Black Market Artifacts Artifact Vana Vular Kite's Nest
Intel from the Battle of Arcturus Intel Arcturus Station Arcturus Arcturus Stream

End Game

Reward Type Planet System Cluster
Haptic Optics Array War Asset Canrum Hydra Argos Rho
Turian Spec Ops Team War Asset Pinnacle Station Phoenix Argos Rho
Fossilized Kakiosaur War Asset Insta'sei Phoenix Argos Rho
Advanced Power Relays War Asset Camaron Gorgon Argos Rho
Alliance Frigate Hong Kong War Asset Asteria Hekate Hades Nexus
Obelisk of Karza War Asset Kopis Hoplos Hades Nexus
Alliance Frigate Lipzig War Asset Dobrovolski Pamyat Hades Nexus
Prothean Sphere War Asset Gei Hinnom Sheol Hades Nexus
Terminus Freighters War Asset Znethu Plotiari Hourgalss Nebula
Shadow Broker Support Team War Asset Hagalaz Sowilo Hourgalss Nebula
Shadow Broker Starship Tech War Asset Alingon Faryar Hourgalss Nebula
Salvage Credits Erinle Osun Hourgalss Nebula
Research Data from Pragia War Asset Pragia Dakka Nubian Expanse
Alliance Frigate Trafalgar War Asset Norehsa Quesrtassi Nubian Expanse
Alliance Marine Recon Unit War Asset Yamm Kalabsha Nubian Expanse
Dr Jelize War Asset Hanalei Kypladon Silean Nebula
Rings of Alune War Asset Nevos Tyoila Silean Nebula
Salvage Credits Quirezia Tyoila Silean Nebula
Code of the Ancients War Asset Dekunna Phontes Silean Nebula
Elcor Flotilla War Asset Oltan Phontes Silean Nebula
Serrice Guard War Asset Hyetiana Nahuala Silean Nebula
Armali Sniper Team War Asset Yasilium Loropi Silean Nebula

Kurtis Seid
By Kurtis Seid, Game Guides Editor

Kurtis Seid is a sadomasochist for games. He’s clocked over 200 days in a Final Fantasy entry but isn’t sure if he’s actually a fan of the series. His ideal game would somehow involve the harshest elements of King’s Quest, Team Fortress, River City Ransom, Ogre Battle, and Dark Souls.

101 comments
khatibi22
khatibi22

@ Verne: Well the Rannoch end level boss of course. The giant laser beaming one. It was really hard to defeat it and this certain walkthrough was not a big help, so I checked wiki and found some useful tips. There was no chance that I could beat the boss without tips from wiki.

Verne
Verne

 @khatibi22 Hmph ... I replied to this but don't know where my reply went.

 

Go to the left of the chasm and target the the boss with the designator.

 

As I recall, he shoots low and raises his aim point until he hits you. Before the laser gets high enough to hit you, cartwheel to the right and continue targeting him. He should get slammed from space before his laser gets you.

 

For the next round, go to the right side of the chasm and target him. Target him with the designator and cartwheel to the left when his laser gets close to you and continue targeting him. Again he should get stomped before his laser toasts you.

 

Go back to the left and repeat.

 

As  I recall, once you get a hang of the pattern to use it's not terribly difficult.

khatibi22
khatibi22

I have tried several times but  somehow I can't figure out the right way to defeat this boss:| any tips?

jdevlin
jdevlin

to many battles to get to the end of a level.

LatinproX
LatinproX

 The main, of many,  problems  with this guide is the label on the titles. Yes, it`s Canada. But, where in Canada? Vancouver!  What a surprise!! Seriously, more attention to detail and a lot less sloppyness, Mr. Seid. For Example, Cerberus base mission...ok, well ,um which of hundreds of planets was that?

ShaenMO
ShaenMO

I just watched two of the new ending cinematics, there are now four major endings. Apparently it is now possible to choose badly enough to lose the entire war against the Reapers. Try it, choose all Renegade responses at the end and watch what happens.

LatinproX
LatinproX

how do you get the Eden Prime achievement, genius?

Verne
Verne

Hey ... where's the .pdf guide we were promised when joining?

jimmy_rj
jimmy_rj

table of contents rearranged, good job! now the guide makes more sense!

thanks!

wavelength121
wavelength121

Great guide, fail to see everyone's problem with the ending, you defeat the Reapers and get a life, the end

LatinproX
LatinproX

 @wavelength121 DUH, there are no  clear details, just generalized findings. Completely unprofessional.

crazyintheface
crazyintheface like.author.displayName 1 Like

This is the worst walk through I've ever seen. Where's the end?

rcboothman
rcboothman

its there anyway to hide these commens, they are longer than the guide pages. It makes the pages load alot slower with extra stuff i dont even want

Dead_Locked795
Dead_Locked795

When dealing with the 2 brutes and the marauders just before finding General Victus on Menae (Palaven's moon), there is a reaper blackstar heavy weapon located on the right hand side of the map for you to use. So use it!! On insanity, it becomes a necessity!

LatinproX
LatinproX

 @Dead_Locked795 this was, by far, the most helpful suggestion. Thanks!  Too bad this guide was not even close to that. What a waste of space, and this fool gets paid to give mediocre advice.

mightywillg
mightywillg like.author.displayName 1 Like

How come the Table of Contents only goes up to Geth Dreadnaught? That's the exact point I'm at in the game, and the only reason I looked at this guide was to see how many missions I have left to get to this terrible terrible ending I keep hearing about!

VictorDenvel
VictorDenvel like.author.displayName 1 Like

Useless walkthrough in every way!!!

jacyp
jacyp

@ali0918: Are you mad? The ME series is one of the few true eletronic roleplaying games we have. Yes, RPG stands for roleplaying game. In Mass Effect series: - Roleplaying? Check. I don't know much games that gives me so many choices about what kind of character I want to be with so many ways to demonstrate it. - Does your choices make difference? While most eletronic "RPG" we see out there gives you choices but they simply doesn't matter at the end, in ME your choices actually shapes and changes the world around you, and also what you'll have to do to accomplish some objectives. So this game is not rpg? You either have got to be kidding me or you simply doesn't know the meaning of the acronym.

ali0918
ali0918

this game is best but itsnot rpg

jimmy_rj
jimmy_rj like.author.displayName 1 Like

please, rearrange the table of contents so we can navigate easily through the guide.

Trooper1023
Trooper1023 like.author.displayName 1 Like

NEW ITEM PICKUP: after entering the broken airlock and taking out the Cerb punks, turn around to the left and look around the sink to find a SMG Scope upgrade.

Lionsfan1986
Lionsfan1986

Your After Geth Dreadnought scans are the same as your After Sur'Kesh. You should really take a look at that!

pipeline3104
pipeline3104 like.author.displayName 1 Like

Looks like Gamespot gave up on this guide just like they gave up on the Skyrim guide

Fakespy
Fakespy

@kiopta1 I vote for "embracing eternity".

Zerosumgame
Zerosumgame

Mass Effect actually is part of a sentence, Mass effect on the unconscious youth of today.

AceCometh
AceCometh

@tex242 Yeah, some having to be completed before you embark on your next big mission ot they'll be gone. A shame the strategy guide didn't tell me that in the first few pages....

AceCometh
AceCometh

"This is Commander Shepard. And this is my favorite store on the Citadel!"

Spartan765
Spartan765

@Kurtis seid COMPLETE IT ALREADY

brian376
brian376

also for the record people who are saying they didnt get the special ending yet who did multi you need to have between 4-5k war assets forget which it is

Temperedelm
Temperedelm

I got the green splosion w/o MP, but I didnt get the part where shepard gasped.

italiano72
italiano72

in case GS forgot to mention it in their walk through... make sure you do multiplayer and get 100% war readiness... that will allow you to CHOSE the GREEN light which is BY FAR the Prettiest of the 3

guildclaws
guildclaws

[spoiler] Renegade Interrupt: kill Kai Leng, Don't press Renegade Interrupt: Kill Kai Leng. CHOICE! [/spoiler]

ex_shadi
ex_shadi

OKK ME MY SELF DONT CARE IF IT WAS GOOD OR BAD ENDING BUT I WISH FOR BIOWARE TO GET US NEXT TIME A ONE DECIDED ENDING, AT LEAST THE ENDING, SO WE COULD REST IN PEACE

Gravelord_Nito
Gravelord_Nito

if you are colorblind...this game has just 1 ending :D

Darkeus
Darkeus

Lol, there is no "Best" ending. Just different colors.....

deathmerchant36
deathmerchant36

Everyone complains about the ending saying that is wreaks the game completely. I think that yes, the ending was quite disappointing, but it didn't erase the fun I had getting up to that point. It is still a good, fun and powerful game I had a really good time with. In my opinion it's the journey not the destination.

Temperedelm
Temperedelm

@djforlife84 You are so right, god forbid we ask for quality for the price they demand. It is also so unreasonable and selfish to ask them to live upto the promises they made pre-launch. You have made me realize the error of my ways and from now on I will accept the pile of crap they give me, and will even smile and thank them, because we all know we got where we are today by accepting everything as-is.

kiopta1
kiopta1 like.author.displayName 1 Like

Just for laughs...what will ending a beloved series the way Bioware did in future be called? Pulling a Bioware? Pulling a Hudson? Embracing Enternity? ?

Caffeine__Fiend
Caffeine__Fiend

Let me see... -Blue explosion or -Green explosion or -Red explosion decisions...decisions...decisions

ag_04
ag_04

@djforlife84 100% agree with you. I hope bioware doesn't alter the ending in the slightest. Sometimes gamers look like 3 year old kids who enrage for a bag of crisps or candy.

LatinproX
LatinproX

 @ag_04  @djforlife84 you sound like retirees being told what to accept and having no choice but to accept it. `Off to the retirement home for you sailor, and no, you have no say in the matter because we know what`s right! for you`... LMFAO, I rather be a child that fights for his rights than a fool that gets herded to nowhere. Really, think about. They`re abusing your rights as a consumer and you just take it. WEAK.

CornelMosneag
CornelMosneag like.author.displayName 1 Like

P.S. I played all 3 games with same character. With all DLC installed. I actually played them in a roe... in the month before ME3... so do not dare telling me i don't understand what ME is. Thank you.

CornelMosneag
CornelMosneag

@djforlife84 i totally agree with you. Some opinions are so puerile. I actually loved the ending. Seeing Joker and EDI made Shepard's sacrifice (if he really did die) worthy. I hate the ending because it doesn't give me more details. What happened next. What happened to Shepard and the others... But there are ways to explain all these later... just keep the hope burning. These Stop Koni, Stop Acta kids now want to change a game ending!? What next... petition Tolkien to bring Boromir back to life?

LatinproX
LatinproX

 @CornelMosneag  Really, your comparing a literary work of art to a commercial sell out.  Do you even know the difference? Obviously not.

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