Buy Mass Effect 3 (2012) PC Key

Looking for a cheap Mass Effect 3 (2012) key? As of 20 Sept 2026 the cheapest key costs £6.24 at Steam. We compare 27 offers from 10 stores, spanning £6.24 to £46.43. In keyshops the lowest price is £7.26, in official stores it starts at £6.24. With this many sellers the gap between the extremes is often several times over, so picking the store matters more here than waiting for a sale. On PC you buy a key that you activate in Steam or another client, and this is the widest market we track, with more than a quarter of games carrying a keyshop offer.

Buy in Official Store:
-75%
£6.24
Historical low
Buy in Keyshops:
-71%
£7.26
Historical low
See price history

Official Stores (1)

DRM:
Steam
Steam
Steam
Mass Effect 3 N7 Digital Deluxe Edition (2012)
5d ago
DRM:
Steam
Ends in 1 week
Steam
£24.99 £6.24
Ends in 1 week
-75%

Keyshops (26)

DRM:
G2Play
Mass Effect 3 N7 Digital Deluxe Edition Steam Altergift
4h ago
DRM:
Steam
G2Play
£25.76 ~£7.26
-71%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Kinguin
Mass Effect 3 N7 Digital Deluxe Edition Steam Altergift
4h ago
DRM:
Steam
Kinguin
£25.76 ~£7.26
-71%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
CJS-CDKeys
Mass Effect 3 (EA App): Deluxe Edition (RUSSIAN, requires our language fix) (GLOBAL)
17w ago
DRM:
EA App
CJS-CDKeys
£24.99 £8.50
-65%
G2Play
Mass Effect 3 EA App CD Key
1d ago
DRM:
EA App
G2Play
£25.76 ~£9.84
-61%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Kinguin
Mass Effect 3 EA App CD Key
1d ago
DRM:
EA App
Kinguin
£25.76 ~£9.84
-61%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Gameseal
Mass Effect 3 (PC) EA App Key - GLOBAL
8m ago
DRM:
EA App
Gameseal
£24.99 ~£10.18
-59%
-17% with SEAL17XDDcopy
-17% with SEAL17XDDcopy
GAMIVO
Mass Effect 3 EN/DE/FR/IT Global (EA App)
4h ago
DRM:
EA App
GAMIVO
~£10.22
-9% with XDDealscopy
-9% with XDDealscopy

About Mass Effect 3 (2012)

Mass Effect 3 (2012) - about the game

Mass Effect 3 is a third-person action role-playing game that places players in control of Commander Shepard during a galaxy-spanning conflict against the Reapers. The title combines cover-based shooting with character progression, dialogue choices, and squad management across a linear campaign that resolves story threads from prior entries in the series. On PC, the experience runs with keyboard and mouse controls that support precise aiming and power selection through radial menus.

Gameplay

Combat emphasizes positioning behind cover, rolling to reposition, and combining biotic, tech, and combat powers for amplified effects. Shepard belongs to one of six classes that determine starting abilities and skill trees, with options to equip multiple weapon types at the cost of slower power recharge. Weapon modifications include barrels, scopes, and ammo types that alter performance in the field. Squad members follow basic AI routines but respond to direct commands for targeted attacks or positioning. Exploration occurs through mission-based levels on varied planets and space stations, where players gather war assets that influence the final confrontation. Three preset campaign modes adjust the balance between narrative focus and combat intensity: Action mode streamlines conversations into cutscenes with standard difficulty, Story mode minimizes combat challenge while keeping manual dialogue responses, and RPG mode delivers the standard mix of choices and encounters.

Game Modes

The core single-player campaign forms the main experience, structured around main story missions and optional assignments that build resources and alliances. An integrated co-op mode called Galaxy at War supports up to four players in online sessions. Participants select custom characters from multiple species, each with distinct powers, and complete wave-based survival objectives on shared maps against escalating enemy forces. Matches award credits for unlocking new characters, weapons, and gear while contributing to a galactic readiness rating that scales the effectiveness of war assets in the single-player campaign. The co-op component remains entirely optional and does not gate story progress.

Story and Progression

Player decisions shape dialogue outcomes and long-term consequences through a reputation system that tracks paragon and renegade alignments. Leveling grants skill points for upgrading powers and passive abilities, while equipment customization encourages experimentation with loadouts suited to different enemy types. Side content expands the roster of available squad members and unlocks additional war assets that factor into the endgame calculation. The structure rewards thorough playthroughs by carrying forward choices from earlier Mass Effect titles where applicable.

Technical Aspects on PC

The PC version supports adjustable graphics settings and runs at resolutions determined by the installed hardware. Controls map naturally to keyboard and mouse, with options for remapping and sensitivity adjustments. The game includes quick-save functionality and numbered manual saves for managing progress across multiple playthroughs. No ongoing seasonal content or live-service updates apply, as the title launched as a complete package in 2012.

Is It Worth Playing?

Mass Effect 3 delivers a focused conclusion to its narrative arc with refined combat mechanics and meaningful choice systems that appeal to players who enjoy story-driven action RPGs. The single-player campaign stands alone for those seeking a linear sci-fi experience with strong character moments and tactical shooter elements. The optional co-op mode adds replay value through character variety and wave survival challenges without requiring participation for a complete ending. Reception highlighted the improved movement and power combinations as strengths, while noting that the multiplayer tie-in serves mainly as a supplementary feature. Availability on PC remains straightforward through standard digital storefronts, making the game accessible for newcomers to the trilogy or returning players interested in the final chapter. Those who prefer pure single-player narratives without external progression systems will find the core campaign sufficient on its own.

Age rating

Unavailable
Historical low
Price history from official stores
-
-
-
Price history from keyshops
£10.22
GAMIVO
today

FAQ

8 questions

Before you start looking for a cheap Mass Effect 3 (2012) PC key, check the essentials.

Q

Where to buy a cheap Mass Effect 3 (2012) Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a Mass Effect 3 (2012) key for as low as £6.24. This deal is available at Steam and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest Mass Effect 3 (2012) price on PC. Check the Mass Effect 3 (2012) price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Mass Effect 3 (2012) Steam price is £6.24. You can save an extra ~6% by paying with a discounted Steam gift card.

Our price tracker covers both official retailers and key marketplaces, so you can find Mass Effect 3 (2012) on sale even outside seasonal promotions. We currently detect 27 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Mass Effect 3 (2012) is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

There is no official Mass Effect 3 (2012) Steam store page at this time, but 5 offers with Steam DRM are available on XD.deals. Buy a Mass Effect 3 (2012) Steam key from one of the listed sellers to activate and play on Valve's platform.

Not at this time. Valve marks Mass Effect 3 (2012) as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

According to our data Mass Effect 3 (2012) is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Mass Effect 3 (2012) deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for Mass Effect 3 (2012)

1 Steam Steam Official
-75% £6.24
2 G2Play G2Play Keyshop
-71% £7.26
3 Kinguin Kinguin Keyshop
-71% £7.26
4 CJS-CDKeys CJS-CDKeys Keyshop
-65% £8.50
5 Gameseal Gameseal Keyshop
-59% £10.18

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