Buy Cities: Skylines II - Bridges & Ports PC Key

This content requires the base game: Cities: Skylines II

Looking for a cheap Cities: Skylines II - Bridges & Ports key? As of 21 Aug 2026 the cheapest key costs £9.72 at PlanetPlay. We compare 20 offers from 17 stores, spanning £9.72 to £16.99. In keyshops the lowest price is £12.70, in official stores it starts at £9.72. 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. The price ranks among the lowest we have recorded, cheaper on only 3% of days with data. This is an add-on, so you also need the base game to play it. That costs £21.94 today, which puts the pair at £31.66. 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.

Metacritic:
74 4.2
Buy in Official Store:
-43%
£9.72
Buy in Keyshops:
-25%
£12.70
In official stores, the price is close to its historical low.
See price history

Official Stores (10)

DRM:
Steam
Steam
PlanetPlay
Cities: Skylines II - Bridges & Ports
Windows
42m ago
DRM:
Steam
PlanetPlay
£17.15 ~£9.72
-43%
-10% with GAMESCOMcopy
-10% with GAMESCOMcopy
Gamesplanet US
Cities: Skylines II - Bridges & Ports
Windows
3h ago
DRM:
Steam
Gamesplanet US
£14.66 ~£9.77
-33%
Green Man Gaming
Cities: Skylines II - Bridges & Ports
Windows
17h ago
DRM:
Steam
Green Man Gaming
£16.99 £10.46
-38%
Gamesplanet UK
Cities: Skylines II - Bridges & Ports
Windows
23h ago
DRM:
Steam
Gamesplanet UK
£16.99 £11.35
-33%
Gamesplanet FR
Cities: Skylines II - Bridges & Ports
Windows
3h ago
DRM:
Steam
Gamesplanet FR
£17.15 ~£11.41
-33%
Gamesplanet DE
Cities: Skylines II - Bridges & Ports
Windows
3h ago
DRM:
Steam
Gamesplanet DE
£17.15 ~£11.51
-32%
GamersGate
Cities Skylines II - Bridges & Ports
Windows
15w ago
DRM:
Steam
GamersGate
£16.99 £15.29
-10%
-10% with XDD10copy
-10% with XDD10copy

Keyshops (10)

DRM:
Steam
Steam
Difmark
Cities Skylines II Bridges and Ports (PC)
Windows
3w ago
DRM:
Steam
Difmark
£16.99 ~£12.70
-25%
-15% with XDDEALScopy
-15% with XDDEALScopy
Cities: Skylines II - Bridges & Ports (DLC) Steam Key (PC) GLOBAL
5.0
Windows
14h ago
DRM:
Steam
Eneba
£17.15 ~£12.86
-25%
-10% with XDD10copy
-10% with XDD10copy
Driffle
Cities Skylines II - Bridges and Ports DLC (Europe) (PC) - Steam - Digital Key
Windows
17h ago
DRM:
Steam
Driffle
£19.99 ~£13.41
-32%
-6% with XDDEALS6copy
-6% with XDDEALS6copy
GAMIVO
Cities: Skylines II - Bridges & Ports DLC Global (Steam)
Windows
12h ago
DRM:
Steam
GAMIVO
£16.99 ~£13.92
-18%
-9% with XDDealscopy
-9% with XDDealscopy
Driffle
Cities Skylines II - Bridges and Ports DLC (Global) (PC) - Steam - Digital Key
Windows
17h ago
DRM:
Steam
Driffle
£19.99 ~£13.95
-30%
-6% with XDDEALS6copy
-6% with XDDEALS6copy
G2Play
Cities: Skylines II - Bridges & Ports DLC EU PC Steam CD Key
Windows
13h ago
DRM:
Steam
G2Play
£17.15 ~£14.86
-13%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Kinguin
Cities: Skylines II - Bridges & Ports DLC EU PC Steam CD Key
Windows
13h ago
DRM:
Steam
Kinguin
£17.15 ~£14.86
-13%
-8% with XD8DEALScopy
-8% with XD8DEALScopy

About Cities: Skylines II - Bridges & Ports

Cities: Skylines II - Bridges & Ports - about the game

Cities: Skylines II - Bridges & Ports expands the core city-building simulation on PC by adding detailed maritime infrastructure and coastal development options. Players construct and manage urban areas with new emphasis on connecting land and water through functional bridges and active ports that influence traffic flow, industry, and daily routines.

Gameplay

The expansion centers on integrating water-based elements into city layouts. Twenty new bridges include drawbridges for vehicles and pedestrians alongside lift bridges that accommodate vehicles and rail traffic. These structures feature realistic movement, distinct styles across multiple sizes, and warning alarms that signal approaching ships. Traffic management becomes more involved as vehicles cross while seaways remain clear for vessels.

Ferries emerge as a practical transport solution once seaways improve, linking neighborhoods and supporting commuter patterns along the shoreline. Nine new parks and leisure piers of varying sizes combine with quays that support paths or multi-lane roads. Four lighthouses provide visual accents, with one serving as a tourist draw.

Harbor construction starts with one of three gate sizes that scale with traffic volume. Upgrades add storage facilities, ore yards, passenger terminals, a customs office, an emergency response unit, and an employee canteen. A maritime museum balances industrial growth with cultural appeal, while a conference center draws visitors. Inland fish farms and open-water options use fishing piers, designated areas, and offshore farms, supported by warehouses for storage before processing. Offshore oil operations include piers, pipelines, storage tanks, and rigs linked by tanker lines.

Game Modes

City development proceeds through ongoing management of growth, resources, and infrastructure in a single-player environment. The expansion layers new systems onto this foundation, requiring attention to waterway navigation alongside road networks and port efficiency. Players adjust harbor scale to match terrain and city needs without altering the realistic appearance of structures.

Marine industries introduce dedicated production chains for fishing and oil that tie into existing industrial zones. These additions create fresh decision points around land use, safety, and revenue generation while maintaining the simulation focus on balanced urban planning.

New Assets and Maps

More than one hundred assets arrive with the expansion, covering bridges, piers, quays, lighthouses, harbor components, and industry buildings. Five new maps provide varied coastal settings, including a peninsula, a bay, and expansive great lakes that support large-scale water features.

Achievements track progress with these additions, encouraging exploration of the new maritime tools and their effects on city operations.

Is It Worth Playing?

The expansion suits players who enjoy detailed city-building simulations and want to incorporate coastal and port elements into their designs. It adds mechanical depth through movable bridges and customizable harbors that affect traffic and industry without requiring separate play sessions. Ongoing support for the base game continues with patches that address visuals and mechanics, keeping the overall experience current. Those focused on land-only development may find the maritime focus less essential, while players interested in shoreline expansion gain concrete tools for new layouts and revenue streams.

Interface:
GermanEnglishSpanish - Latin AmericaFrenchItalianJapaneseKoreanPolishPortuguese - BrazilRussianSimplified ChineseTraditional Chinese
Metacritic:
74 4.2

Minimum:

  • OS: Windows® 10 Home 64 Bit
  • Processor: Intel® Core™ i7-6700K | AMD® Ryzen™ 5 2600X
  • Memory: 8 GB RAM
  • Graphics: Nvidia® GeForce™ GTX 970 (4 GB) | AMD® Radeon™ RX 480 (8 GB)
  • Storage: 60 GB available space

Recommended:

  • OS: Windows® 10 Home 64 Bit | Windows® 11
  • Processor: Intel® Core™ i5-12600K | AMD® Ryzen™ 7 5800X
  • Memory: 16 GB RAM
  • Graphics: Nvidia® GeForce™ RTX 3080 (10 GB) | AMD® Radeon™ RX 6800 XT (16 GB)
  • Storage: 60 GB available space
Historical low
Price history from official stores
£7.98
PlanetPlay
2 weeks ago
Price history from keyshops
£9.85
Eneba
3 months ago
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FAQ

9 questions

Before you start looking for a cheap Cities: Skylines II - Bridges & Ports PC key, check the essentials. Developed by Colossal Order. Published by Paradox Interactive. PC released date: 29 Oct 2025. Genres: Simulation. Categories: Family Sharing, Single-player, Downloadable Content, Steam Achievements. Age rating: PEGI 3.

Q

Where to buy a cheap Cities: Skylines II - Bridges & Ports Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a Cities: Skylines II - Bridges & Ports key for as low as £9.72. This deal is available at PlanetPlay 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 Cities: Skylines II - Bridges & Ports price on PC. Check the Cities: Skylines II - Bridges & Ports price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Cities: Skylines II - Bridges & Ports Steam price is £16.99. 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 Cities: Skylines II - Bridges & Ports on sale even outside seasonal promotions. We currently detect 20 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, Cities: Skylines II - Bridges & Ports is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

On days when both store types carried the game, the keyshop was cheaper by a median of 7%. We have recorded offers from 19 stores in total, and from 4 in the most recent reading. The current price ranks among the lowest we have seen: it was cheaper on only 3% of days with data. The cheapest offer came most often from Eneba: 91 of 195 days with data.

Yes. Cities: Skylines II - Bridges & Ports has an official page on the Steam Store. You can also buy a Cities: Skylines II - Bridges & Ports Steam key from third-party sellers. Our price comparison currently includes 20 offers with Steam DRM. Pick one to ensure your Cities: Skylines II - Bridges & Ports download happens on Valve's platform.

Not at this time. Valve marks Cities: Skylines II - Bridges & Ports 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 Cities: Skylines II - Bridges & Ports 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 Cities: Skylines II - Bridges & Ports 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 Cities: Skylines II - Bridges & Ports

1 PlanetPlay PlanetPlay Official
-43% £9.72
2 Gamesplanet US Gamesplanet US Official
-33% £9.77
-38% £10.46
4 Gamesplanet UK Gamesplanet UK Official
-33% £11.35
5 Gamesplanet FR Gamesplanet FR Official
-33% £11.41

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