Buy ENDLESS Space 2 - Supremacy PC Key

This content requires the base game: ENDLESS Space 2

Looking for a cheap ENDLESS Space 2 - Supremacy key? As of 21 Aug 2026 the cheapest key costs £2.74 at Steam. We compare 15 offers from 10 stores, spanning £2.74 to £5.39. In keyshops the lowest price is £3.69, in official stores it starts at £2.74. 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. This game has been cheaper before, on 77% of the days we have data for. A price alert will let you know when the next drop comes. This is an add-on, so you also need the base game to play it. That costs £6.21 today, which puts the pair at £8.95. 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.

Release: 02 Aug 2018
Metacritic:
tbd 9.0
Steam:
Mostly Positive (249)
Buy in Official Store:
-75%
£2.74
Buy in Keyshops:
-66%
£3.69
See price history

Official Stores (1)

DRM:
Steam
Steam
Steam
ENDLESS Space 2 - Supremacy
Windows
+1
1d ago
DRM:
Steam
Steam
£10.99 £2.74
-75%

Keyshops (14)

DRM:
Steam
Steam
G2A
Endless Space 2 - Supremacy Steam Key GLOBAL
Windows
+1
1d ago
DRM:
Steam
G2A
£10.99 £3.69
-66%
-8% with G2A8XDDcopy
-8% with G2A8XDDcopy
Kinguin
Endless Space 2 - Supremacy DLC EU Steam CD Key
Windows
+1
2h ago
DRM:
Steam
Kinguin
£11.13 ~£3.99
-64%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
G2Play
Endless Space 2 - Supremacy DLC EU Steam CD Key
Windows
+1
23h ago
DRM:
Steam
G2Play
£11.14 ~£3.99
-64%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
G2A
Endless Space 2 - Supremacy Steam Gift GLOBAL
Windows
+1
6h ago
DRM:
Steam
G2A
£10.99 £4.07
-62%
-8% with G2A8XDDcopy
-8% with G2A8XDDcopy
Driffle
Endless Space 2 - Supremacy DLC (Europe) (PC / Mac) - Steam - Digital Key
Windows
+1
1d ago
DRM:
Steam
Driffle
~£4.08
-6% with XDDEALS6copy
-6% with XDDEALS6copy
GAMIVO
Endless Space 2: Supremacy DLC Global (Steam)
Windows
+1
2h ago
DRM:
Steam
GAMIVO
£10.99 ~£4.17
-62%
-9% with XDDealscopy
-9% with XDDealscopy
Gameseal
ENDLESS Space 2 - Supremacy (DLC) (PC) Steam Key - GLOBAL
Windows
+1
19h ago
DRM:
Steam
Gameseal
£10.99 ~£4.32
-60%
-17% with SEAL17XDDcopy
-17% with SEAL17XDDcopy

Packs (1)

About ENDLESS Space 2 - Supremacy

ENDLESS Space 2 - Supremacy - about the game

Endless Space 2 Supremacy is a turn-based 4X strategy game expansion that adds the Hissho major faction and the Behemoth ship platform to the core experience of managing empires across a galaxy filled with exploration, expansion, exploitation, and extermination.

Gameplay

The core loop centers on turn-based empire management where players research technologies, colonize planets, build fleets, and engage in diplomacy or conflict with other factions. Resource gathering drives progress, with standard outputs like food, industry, dust, science, and influence supplemented by new elements in this content. The Hissho faction introduces Keii, a combat-derived resource that fuels special abilities and ties directly into their Obedience system, which governs empire stability in place of conventional happiness metrics. This setup rewards aggressive expansion and sustained warfare, as failing to maintain momentum through victories can lead to internal decline.

Hissho fleets emphasize versatility through polyvalent modules that adapt to support, defense, or attack roles, allowing shifts between direct assaults and more tactical configurations. Four new heroes accompany the faction, each oriented toward military roles with bonuses to fleet damage output and upkeep reduction. These heroes excel as admirals in space battles but can also serve as governors when the priority is rapid production of manpower and vessels. The Illo minor faction appears as reasoning machines committed to a Survival of the Fittest philosophy, seeking to eliminate weaker species to achieve a Sanctified Equilibrium.

Behemoths represent a shared addition available to every faction. These enormous vessels originate from the Endless era and begin as powerful, adaptable platforms. Their design encourages specialization over time, transforming them into dedicated roles that alter strategic options on a galactic scale.

Game Modes

Endless Space 2 supports both single-player sessions against AI opponents and multiplayer matches with other players. Single-player allows full control over pacing and faction selection in campaigns that unfold across procedurally generated galaxies. Multiplayer enables competitive or cooperative empire building, with shared victory conditions that reward different approaches to dominance.

Victory paths include conquest through elimination of rival homeworlds, supremacy via control of a percentage of systems, scientific breakthroughs by completing key research trees, construction of wonders, economic accumulation, and a score-based endpoint at a fixed turn limit. These options encourage varied strategies without locking players into one path from the start.

Factions and Mechanics

The Hissho stand out for their military and expansion focus. Their Keii resource replenishes exclusively through combat victories and powers unique abilities while shaping the Obedience mechanic that replaces standard approval systems. This creates a war economy where offensive strength must balance against the risk of resource shortages if conflicts stall. Behemoth specialization further expands options for all players, with paths that enable system-wide destruction, fleet annihilation, or defensive fortification of controlled areas.

Minor factions like the Illo add layers of interaction through their distinct goals and behaviors. The overall faction roster features asymmetric designs that alter research paths, ship modules, and diplomatic options, ensuring each playthrough emphasizes different priorities in exploration and conflict resolution.

Is It Worth Playing?

This content suits players who enjoy deep 4X strategy with asymmetric faction mechanics and large-scale fleet customization. The Hissho provide a distinct aggressive playstyle centered on sustained combat and resource conversion, while Behemoths introduce powerful late-game tools that scale with investment in science and economy. Those who prefer balanced defensive or economic approaches may find the new elements disruptive unless they disable certain high-impact options in settings.

Reception among strategy fans highlights the added depth from the new faction and ship type, though opinions vary on how Behemoths integrate with existing systems. The expansion integrates into the base game's ongoing support structure, making it a solid addition for anyone already invested in the title's empire-building framework. It delivers targeted variety without overhauling the foundational turn-based loop.

Interface:
GermanEnglishSpanish - SpainFrenchKoreanPolishPortuguese - BrazilRussianSimplified ChineseTraditional Chinese
Audio:
English
Subtitles:
GermanEnglishSpanish - SpainFrenchKoreanPolishPortuguese - BrazilRussianSimplified ChineseTraditional Chinese
Metacritic:
tbd 9.0
Steam:
Mostly Positive (249)

Minimum:

  • Processor: i3 4th generation / i5 2nd generation / A6 series
  • Memory: 4 GB RAM
  • Graphics: Intel HD 4000 / AMD Radeon 5800 series / NVidia 550Ti
  • DirectX: Version 11
  • Storage: 8 GB available space
  • Additional Notes: DX11 compatible; Minimum Resolution: 1280 x 720

Recommended:

  • Processor: i3 5th generation (or newer) / i5 3rd generation (or newer) / FX4170 (or newer)
  • Memory: 8 GB RAM
  • Graphics: AMD Radeon 8000 series or newer / NVidia GTX 660 or newer
  • DirectX: Version 11
  • Storage: 8 GB available space
  • Additional Notes: DX11 compatible; Recommended Resolution: 1920 x 1080

Minimum:

  • OS: MAC OS X 10.11 or higher
  • Processor: Intel Core i5 2.7Ghz
  • Memory: 6 GB RAM
  • Graphics: GeForce 775M | Radeon HD 6970 | Intel Iris Pro
  • Storage: 8 GB available space
Historical low
Price history from official stores
£2.74
Steam
yesterday
Price history from keyshops
£2.56
Yuplay
4 months ago
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FAQ

9 questions

Before you start looking for a cheap ENDLESS Space 2 - Supremacy PC key, check the essentials. PC released date: 02 Aug 2018. Genres: Strategy. Categories: Multi-player, PvP, Online PvP, Family Sharing, Steam Trading Cards, Steam Workshop, Single-player, Downloadable Content, Cross-Platform Multiplayer, Steam Achievements, Steam Cloud. Age rating: PEGI 7.

Q

Where to buy a cheap ENDLESS Space 2 - Supremacy Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a ENDLESS Space 2 - Supremacy key for as low as £2.74. 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 ENDLESS Space 2 - Supremacy price on PC. Check the ENDLESS Space 2 - Supremacy price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the ENDLESS Space 2 - Supremacy Steam price is £2.74. 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 ENDLESS Space 2 - Supremacy on sale even outside seasonal promotions. We currently detect 15 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, ENDLESS Space 2 - Supremacy is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

The spread between offers was wide: from £2.56 to £59.31. The cheapest offer came most often from Gameseal: 80 of 196 days with data. The current price is high against its own history: it was cheaper on 77% of days with data. We have recorded offers from 13 stores in total, and from 6 in the most recent reading.

Yes. ENDLESS Space 2 - Supremacy has an official page on the Steam Store. You can also buy a ENDLESS Space 2 - Supremacy Steam key from third-party sellers. Our price comparison currently includes 15 offers with Steam DRM. Pick one to ensure your ENDLESS Space 2 - Supremacy download happens on Valve's platform.

Not at this time. Valve marks ENDLESS Space 2 - Supremacy 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 ENDLESS Space 2 - Supremacy 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 ENDLESS Space 2 - Supremacy 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 ENDLESS Space 2 - Supremacy

1 Steam Steam Official
-75% £2.74
2 G2A G2A Keyshop
-66% £3.69
3 Kinguin Kinguin Keyshop
-64% £3.99
4 G2Play G2Play Keyshop
-64% £3.99
5 Driffle Driffle Keyshop
£4.08

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