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Buy Second Sun Steam Key

Q: Why is the Steam Key of Second Sun safer than the account format?

The Steam Key format is what we always recommend due to its ease of use and higher security compared to any other format. You just need to redeem the key in your account to download Second Sun to your game library. The account format requires more complicated steps and is more prone to errors during activation.

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Second Sun Steam Key: compare prices from 13 offers (August 2026)

A Second Sun Steam Key — also known as a CD Key or digital code — is the official activation code you redeem on Steam and keep in your library permanently. From €6.47 at Steam · 13 verified stores, 13 offers in stock · Updated 37min ago.

Steam Key

Cheapest

€9.19 View deal

No code available

Steam Key

Official store

€6.47 View deal

No code available

See 14 keys from €6.47

Historical prices

Medium price

Current minimum price

Second Sun prices: 10-month price history →

Official stores are authorized distributors, and while their prices may be higher than Key stores, their reliability is 100%.

“Choose it if you don’t mind the price difference”

Key stores are resellers and marketplaces, which is why they are usually cheaper than official stores. We only show the best ones, so you can rest assured. Plus, we offer our guarantee against any issues.

“Choose it if you’re looking for a great discount”

Editions Standard

Format Steam Key

Global EU US UK

Official stores 7 stores Hide Accounts

Resellers

No payment fees With payment fees Basic price Fees incl.

Promoted store

Difmark Digital Keys 4.1 (14.2k)

Coupon

Gocdkeys -16%

Copied!

€12.48 €10.48

Store Difmark Digital Keys

Region Global

Product type Steam Key

Edition Standard

Fees +€0.87

Instant Gaming
Eneba
Gaming Dragons
K4G
Cdkeys Com
G2A

Instant Gaming 4.7 (833.8k)

No code available

€9.19

Store Instant Gaming

Region Global

Product type Steam Key

Eneba 4.4 (312.9k)

€11.11 €10.00 How to get this priceHow to get

Store Eneba

Region Global

Product type Steam Key

Edition Standard

Fees +€0.85

Gaming Dragons 2.3 (203)

No code available

€10.01

Store Gaming Dragons

Region Global

Product type Steam Key

K4G 4.3 (17.6k)

€11.90 €10.23

Product type Steam Key

Edition Standard

Fees +€1.31

Cdkeys Com 4.8 (224.4k)

Product type Steam Key

Edition Standard

Fees -

G2A 4.0 (346.2k)

No code available

€14.75 How to get this priceHow to get

Store G2A

Region Global

Product type Steam Key

Edition Standard

Fees +€0.04

Official stores

Steam
GamesPlanet
Fanatical
Allyouplay
Fortunadigital
GamersGate
Greenmangaming

Steam 1.8 (3.7k)

Product type Steam Key

Edition Standard

Fees -

GamesPlanet 4.3 (629)

No code available

€15.38

Store GamesPlanet

Region Global

Product type Steam Key

Edition Standard

Fees +€1.72

Fanatical 4.6 (78.7k)

Product type Steam Key

Allyouplay 4.0 (2k)

Product type Steam Key

Edition Standard

Fees -

Fortunadigital 4.0 (4)

No code available

€19.50

Store Fortunadigital

Region Europe

Product type Steam Key

GamersGate 3.6 (527)

Product type Steam Key

Edition Standard

Fees -

Greenmangaming 4.7 (43.9k)

No code available

€19.50

Store Greenmangaming

Region Global

Product type Steam Key

Edition Standard

Fees -

About Second Sun

Build machines, establish power grids, and expand territory. Upgrade from hands-on crafting to high-tech automated production, evolving from raw wood to cutting-edge warp coils. Continuously enhance technology, scale operations, and coordinate specialized robots for manufacturing, resource gathering, and agriculture. Leverage the global management system to maximize efficiency and drive production to its peak.

Settle into the rhythm of tranquil island life by tending crops, gathering resources, preparing meals, and fishing amid the calm. Roam the island to discover a variety of animals, some of which may become loyal companions with the right gift. Unlock plant gene enhancements, push technological boundaries, and direct the evolution of helpful robots. Harness creativity to build medical pods and restore the damaged ship.

Engage in strategic real-time tower defense challenges. Deploy a variety of unique towers and utilize the island’s diverse terrains like jungles, deserts, canyons, and labyrinths for effective defenses. Battle alien creatures hidden throughout the wilderness in fast-paced encounters.

Explore a town filled with devout followers, elusive monsters, cryptic notes, eerie underground chambers, and blood-stained rituals, each contributing to a hidden narrative. As clues are pieced together, a shadowy past begins to surface, revealing the island’s most guarded and unsettling mysteries.

How much does Second Sun for PC cost right now?

Second Sun for PC starts at €6.47 at Steam, a Steam key.

With 13 offers across 13 stores there is enough competition for the price to move, so the gap between the cheapest and the rest is worth checking before you buy.

That puts it 30% under its average of €9.19 since 2025, so today is a better entry point than most days of its life.

Is it worth buying the Steam Key for Second Sun now or waiting?

That €6.47 key is at one of its best prices.

Those €6.47 are 22% below what it usually costs, measured on the store price.
13 stores sell the Steam Key at the same time, and with that much competition the price moves almost daily.
Not counting today, only 47 days out of the 280 days on record were this cheap or cheaper; the lowest it has ever cost is €4.99.

At this price it is worth buying the Steam Key now: what you stand to gain by waiting is a few euros, and it is not guaranteed.

Worked out from 1,836 daily records of the Steam Key for Second Sun across 15 stores. See the full price history.

The price does not include each store's payment fees. The percentage is measured on the store price, without coupons, because that is how we record the history. The analysis only counts Key offers. Shared accounts, Steam Gift and physical editions stay out, because they are not the same product and their prices move differently.

Can you activate Second Sun in US?

All 13 offers are Global, so the code redeems on any account no matter where it was created.

Most common FAQs when buying Second Sun for PC in digital format:

It is a key that will allow you to download the game Second Sun on your PC from official download platforms.

As of 23/08/2026, in United States, the best price we have found in our selection of online stores that include the key for Second Sun on PC is €6.47.

The Steam Key format is what we always recommend due to its ease of use and higher security compared to any other format. You just need to redeem the key in your account to download Second Sun to your game library. The account format requires more complicated steps and is more prone to errors during activation.

The only issue we’ve encountered in 13 years is receiving a duplicate key that doesn’t work. In that case, simply contact the store where you bought Second Sun, and they will provide a new key. You can also contact us, and we’ll help you out.

Delivery times vary by store. For example, in the case of Instatgaming, Eneba, G2a, or Kinguin, delivery is usually instant or takes just a few minutes. These stores rarely delay game deliveries.

Other stores may take 30–40 minutes depending on game availability. On release days, delivery times may be slightly longer.

If you notice an unusually long delay, contact the store or us, and we’ll resolve it as quickly as possible.

At Gocdkeys, we only list the most well-known stores that have passed our quality checks. One of the most important factors is good customer support, and all listed stores offer it.

There have been occasions when those services were overwhelmed, which is why we also offer 24/7 customer support to help resolve any issues or questions.

In any case, we always offer a 100% guarantee, so you won’t have any problems, and if you do, we’ll resolve them as soon as possible.

Need more help? Use our FAQs.

Gocdkeys - Transparency and credibility

At GOCDKEYS we display real prices from 49 verified stores. Some links may be affiliate links, which help us keep the service running at no extra cost to users. Prices and conditions are always exactly the same as those offered by the store. All stores go through our own store verification methodology, so you can buy with complete confidence.

If you have doubts before buying, we explain why CD keys are legal and break down the most common myths and facts about digital games, so you can make your decision with clear and up-to-date information.

More than 4.5M users in 14 years have trusted us to find the best deals — Trustpilot 4.1/5 ★
We compare 49 verified stores where we find the best deals for gamers
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We track prices every 2 hours and sort by final cost - Last update: 2026-08-23 12:05:50