Mass Effect 3: Side Missions - Mars Mass Effect 3 guide, walkthrough
Last update: 30 October 2022
On this page of the Mass Effect 3 game guide you will find a list of side quests that become available after completing the main mission Priority: Mars. We explain where you can unlock side quests, what rewards are provided for completing them, and if they have any unique features.
Side quests available after completing the Priority: Mars mission
Additional note - You don't have to involve in side quests right away after unlocking them. There are exceptions to this rule and some ignored side quests may be failed - be warned about this, we have highlighted that in proper descriptions. Complete all side quests before advancing to the campaign's finale .
Serpent Nebula: Citadel
Quest name: | None (Citadel: Diana Allers) |
Customer: | Diana Allers in Citadel: Bay D24 |
Detailed localization: | Citadel: Bay D24, Passenger Lounge [2] |
Reward: | War Asset [Diana Allers] [EMS: 5] |
Remarks: | It's worth to visit Diana in the Engineering on the Normandy, because after well played talks you can obtain additional War Assets. |
Quest name: | None (Citadel: Doctor Chakwas) |
Customer: | Dr Karin Chakwas in Citadel: Huerta Memorial Hospital |
Detailed localization: | Citadel: Huerta Memorial Hospital, Patient Lounge[1] |
Reward: | War Asset [Dr Karin Chakwas] [EMS: 10] / New member of the crew [Dr Karin Chakwas] |
Remarks: | Do before the quest: Priority: Tuchanka Dr Chakwas adds 10 EMS points only if we decide to not join her to the Normandy's crew. We can take on the board dr Chloe Michel instead. |
Quest name: | None (Citadel: Doctor Michel) |
Customer: | Dr Chloe Michel in Citadel: Huerta Memorial Hospital |
Detailed localization: | Citadel: Huerta Memorial Hospital, Patient Lounge[1] |
Reward: | New member of the crew [Dr Chloe Michel] |
Remarks: | Do before the quest: Priority: Tuchanka To recruit dr Michel, you have to refuse first to dr Chakwas. |
Quest name: | None (Citadel: Ashley Williams / Kaidan Alenko) |
Customer: | Commandor Bailey in Citadel: Bay D24 |
Detailed localization: | Citadel: Bay D24, Citadel: Huerta Memorial Hospital |
Reward: | War Asset [Ashley Williams/Kaidan Alenko] [EMS: 25] / New member of the crew [Ashley Williams/Kaidan Alenko] |
Remarks: | Final of this quest takes place during the quest Priority: Citadel #2, during which Ashley/Kaidan has to survive. Ashley/Kaidan adds 25 EMS only if we decide to not join her/him to the Normandy's crew. |
Quest name: | None (Citadel: Khalisa al.-Jilani) |
Customer: | Khalisa Bint Sinan al-Jilani in Citadel: Embassies |
Detailed localization: | Citadel: Embassies, Embassy Offices [4] |
Reward: | War Asset [Khalisa Bint Sinan al-Jilani] [EMS: 10] |
Remarks: | If we hit Khalisa in the previous parts of the game, she'll give us only 5 EMS. |
Quest name: | Citadel: Hanar Diplomat |
Customer: | Jondun Bau in Citadel: Embassies |
Detailed localization: | Citadel: Embassies, Citadel: Docks - Holding Area |
Reward: | War asset [Forces of Hanars and Dells] [EMS: 50] [210 PD] / [unit of Spectres] [EMS: 40] [210 PD] |
Remarks: | Mission is available only after finishing the quest: Priority: Palaven Do before the quest: Priority: Tuchanka If in Mass Effect 2 you joined Kasumi and she survived the last mission, you can obtain both assets. In other case you have to choose. If in Mass Effect 2 you have made the Kasumi's loyalty mission, she join the works with the Crucible, what gives you additional 25 EMS. |
Quest name: | None (Citadel: Aria T'Loak) |
Customer: | Aria T'Loak in Citadel: Purgatory Bar |
Detailed localization: | Citadel: Purgatory Bar, VIP Lounge [2] |
Reward: | War Asset [Terminus Fleet] [EMS: 50], unlock the quests: Aria: Blue Suns, Aria: Blood Pack, Aria: Eclipse |
Remarks: | Mission is available only after finishing the quest: Priority: Palaven Do before the quest: Priority: Tuchanka After talk with Aria three quests become unlocked, which lie on gaining the support of Blue Suns, Blood Pack and Eclipse. Together, you can earn 200 EMS (additional 50 for every mercenary group). |
Quest name: | Aria: Blue Suns |
Customer: | Aria T'Loak in Citadel: Purgatory Bar |
Detailed localization: | Citadel: Docks - Holding Area, Citadel: Presidium Commons |
Reward: | Actualization of the War Asset [Terminus Fleet] [EMS: 50] [210 PD] [5000 credits] |
Remarks: | Mission is available only after finishing the quest: Priority: Palaven Do before the quest: Priority: Tuchanka |
Quest name: | Aria: Blood Pack |
Customer: | Aria T'Loak in Citadel: Purgatory Bar |
Detailed localization: | Citadel: Presidium Commons |
Reward: | Actualization of the War Asset [Terminus Fleet] [EMS: 50] [210 PD] [5000 credits] |
Remarks: | Mission is available only after finishing the quest: Priority: Palaven Do before the quest: Priority: Tuchanka |
Quest name: | Aria: Eclipse |
Customer: | Aria T'Loak in Citadel: Purgatory Bar |
Detailed localization: | Citadel: Embassies, Citadel: Docks - Holding Area, Citadel: Presidium Commons |
Reward: | Actualization of the War Asset [Terminus Fleet] [EMS: 50] [210 PD] [5000 credits] |
Remarks: | Mission is available only after finishing the quest: Priority: Palaven Do before the quest: Priority: Tuchanka |
Quest name: | None (Citadel: Miranda Lawson) |
Customer: | Miranda Lawson in Citadel: Bay D24 |
Detailed localization: | Citadel: Bay D24, Viewing Deck [3] |
Reward: | War Asset [Miranda Lawson] [EMS: 25] |
Remarks: | Mission is available only after finishing the quest: Priority: Palaven Final of the quest takes place during the quest Priority: Horizon. If we earlier warned Miranda against Kai Leng, she'll live through and offer her help to the Alliance, what gives us 25 additional EMS points. |
Quest name: | None (Citadel: Thane Krios) |
Customer: | Thane Krios in Citadel: Huerta Memorial Hospital |
Detailed localization: | Citadel: Huerta Memorial Hospital, Patient Lounge [1] |
Reward: | None |
Remarks: | Mission is available only after finishing the quest: Priority: Palaven Final of this quest takes place during the quest Priority: Citadel #2. If we met Thane earlier, he'll be able to help save a salarian member of the Council. |
Quest name: | None (Citadel: Kelly Chambers) |
Customer: | Kelly Chambers in Citadel: Docks - Holding Area |
Detailed localization: | Citadel: Docks - Holding Area Cargo: B [6] |
Reward: | None |
Remarks: | Mission is available only after finishing the quest: Priority: Palaven During conversation with Kelly it's worth to persuade her to change her personality. Thanks to that you'll meet her again in the quest Priority: Citadel #2. |
Quest name: | None (Citadel: Aethyta) |
Customer: | Aethyta Citadel: Presidium Commons |
Detailed localization: | Citadel: Presidium Commons, Apollo's Cafe [3] |
Reward: | Actualization of the War Asset [Second Asari Fleet] [EMS: 25] |
Remarks: | Mission is available only after finishing the quest: Priority: Palaven Do before the quest: Priority: Tuchanka If after the conversation with Aethyta, we won't make Liara talk to her, we won't get the War Asset. |
Quest name: | None (Normandy SR-2: Lieutenant Cortez) |
Customer: | Traynor in Normandy SR-2: Combat Information Centre |
Detailed localization: | Normandy SR-2: Hangar, Citadel: Bay D24, Citadel: Docks - Holding Area |
Reward: | War Asset [Pilots-renegades] [EMS: 20] [375 PD] |
Remarks: | Mission is available only after finishing the quest: Priority: Palaven This quest contains few stages, you have to talk to the Lieutenant Cortez four times after quests Priority: Palaven, Priority: Sur'Kesh. |
Quest name: | Citadel: GX12 Thermal Pipe |
Customer: | Engineer Adams in Normandy SR-2: Engineering |
Detailed localization: | Citadel: Presidium Commons, Bank [1] |
Reward: | War Asset [Eezo condensators] [EMS: 15] [375 PD] |
Remarks: | Mission is available only after finishing the quest: Priority: Sur'Kesh Do before the quest: Priority: Tuchanka |
Quest name: | Citadel: Inspirational Stories |
Customer: | Solik Vass in Citadel: Docks - Holding Area |
Detailed localization: | Citadel: Docks - Holding Area, Memorial Wall [8], Cargo: B [6], Bay E28 [4] |
Reward: | [210 PD] [5000 credits] |
Remarks: | Mission is available only after finishing the quest: Priority: Citadel #2 Do before the quest: Priority: Cerberus Headquarters |
Quest name: | Citadel: Wounded Batarian |
Customer: | Angry veteran in Citadel: Presidium Commons |
Detailed localization: | Citadel: Embassies, Citadel: Docks - Holding Area |
Reward: | [210 PD] [5000 credits] |
Remarks: | Mission is available only after finishing the quest: Priority: Citadel #2 Do before the quest: Priority: Cerberus Headquarters |
Quest name: | Citadel: Batarian Codes |
Customer: | Officer Noles in Citadel: Presidium Commons |
Detailed localization: | Citadel: Embassies, Citadel: Huerta Memorial Hospital, Citadel: Bay D24, Citadel: Docks - Holding Area |
Reward: | War Asset [Batarian Fleet] [EMS: 100] [210 PD] |
Remarks: | Mission is available only after finishing the quest: Priority: Citadel #2 Do before the quest: Priority: Cerberus Headquarters To get a Batarian Fleet, we have to persuade its leader to co-operation. If this leader is a Balak (he didn't die in the Bring Down the Sky), we obtain additional 15 EMS. |
Quest name: | Citadel: Cerberus Retribution |
Customer: | Angry citizens in Citadel: Presidium Commons |
Detailed localization: | Citadel: Presidium Commons, C-SEC Outpost [5] |
Reward: | [210 PD] [5000 credits] |
Remarks: | Mission is available only after finishing the quest: Priority: Citadel #2 Do before the quest: Priority: Cerberus Headquarters |
Quest name: | Citadel: Volus Ambassador |
Customer: | None |
Detailed localization: | Citadel: Embassies, Citadel: Presidium Commons |
Reward: | War Asset [Volus Bomb Fleet] [EMS: 75] [210 PD] [5000 credits] |
Remarks: | Mission is available only after finishing the quest: Priority: Citadel #2 Do before the quest: Priority: Cerberus Headquarters If in the Mass Effect 2 Zaeed Massani lived through and we've made his loyalty mission, he'll help us during this quest. If we talk to him later in the Citadel: Docks - Holding Area, we receive additional 25 EMS. |
Quest name: | Citadel: Medical Supplies |
Customer: | Dr Chakwas/dr Michel in Normandy SR-2: Crew Deck |
Detailed localization: | Citadel: Docks - Holding Area, Cargo: B [6] |
Reward: | [375 PD] [Medi-Gel Capacity] Intel [Operation in the Medical Station] |
Remarks: | Mission is available only after finishing the quest: Priority: Citadel #2 Do before the quest: Priority: Cerberus Headquarters |
Quest name: | Citadel: Medi-Gel Sabotage |
Customer: | A doctor form the refugee camp in the Citadel: Docks - Holding Area |
Detailed localization: | Citadel: Docks - Holding Area, Cargo: A [5], Cargo: C [7] |
Reward: | Update of the War Asset [7th Turian Fleet] [EMS: 5] [210 PD] [5000 credits] |
Remarks: | Mission is available only after finishing the quest: Priority: Citadel #2 Do before the quest: Priority: Cerberus Headquarters |
Apien Crest: Castellus
Quest name: | Apien Crest: Banner of the 1st Regiment |
Customer: | None or Turian Officer in the Citadel: Purgatory Bar |
Detailed localization: | planet Digeris |
Reward: | Update of the War Asset [7th Turian Fleet] [EMS: 40] [15000 credits] |
Remarks: | Mission is available only after finishing the quest: Priority: Citadel #2 Do before the quest: Priority: Tuchanka |
Kite's Nest: Harsa
Quest name: | Kite's nest: Pillars of Strength |
Customer: | None or the Batarian Preacher in the Citadel: Docks - Holding Area |
Detailed localization: | planet Khar'shan |
Reward: | Update of the War Asset: [Batarian Fleet] [EMS: 40] [15000 credits] |
Remarks: | Mission is available only after finishing the quest: Priority: Palaven Do before the quest: Priority: Tuchanka |
Sigurd's Cradle: Decoris
Quest name: | Citadel: Alien Medi-Gel Formula |
Customer: | None or dr Ravin in Citadel: Memorial Huerta Hospital |
Detailed localization: | planet Sanctum |
Reward: | Update of the War Asset [Forces of Hanars and Dells] [EMS: 8] [30 PD] [1000 credits] |
Remarks: | Do before the quest: Priority: Tuchanka Required object you may get during completing the quest: N7: Cerberus Lab or buy in the Spectre Office. |
Quest name: | N7: Cerberus Lab |
Customer: | Traynor in Normandy SR-2: Combat Information Centre |
Detailed localization: | Sanctum: Cerberus Lab |
Reward: | War Asset [Cerberus Research Data] [EMS: 50] [10000 credits] |
Remarks: | Do before the quest: Priority: Tuchanka |