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Buy Cubic Cosmos Steam Key

Q: Why is the Steam Key of Cubic Cosmos 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 Cubic Cosmos to your game library. The account format requires more complicated steps and is more prone to errors during activation.

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Cubic Cosmos Steam Key: compare prices from 4 offers (September 2026)

A Cubic Cosmos 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 €6.12 (-52%) at Kinguin, 52% below the €12.79 Steam price · 4 verified stores, 4 offers in stock · Updated 09h 42min ago.

Gift cards

Cheapest

€6.50 €5.85 -54% Save €7 vs Steam View deal

Gocdkeys10

-10%

Copied!

Steam Key

Official store

€12.79 View deal

No code available

See 4 keys from €5.85

Historical prices

Medium price

Current minimum price

Cubic Cosmos prices: 12-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 1 stores Hide Accounts

Resellers

No payment fees With payment fees Basic price Fees incl.

Eneba
Kinguin
K4G

Eneba 4.4 (312.9k)

Coupon

Gocdkeys10 -10%

Copied!

€6.50 €5.85 How to get this priceHow to get

Store Eneba

Region Europe

Product type Steam Key

Edition Standard

Fees +€0.50

Kinguin 4.6 (120.4k)

Subscription from 2.99€/month

€6.80 €6.12 How to get this priceHow to get

Store Kinguin

Region Global

Product type Steam Key

K4G 4.3 (17.6k)

€9.14 €7.86

Product type Steam Key

Edition Standard

Fees +€1.01

Official stores

Steam

Steam 1.8 (3.7k)

Product type Steam Key

Edition Standard

Fees -

About Cubic Cosmos

Cubic Cosmos combines roguelike deck building with fast-paced tower defense gameplay. Build an unstoppable army of pawns, chain together massive combos, and enjoy endless possibilities!

Mix and Match Countless Exciting Strategies

Create an army of unstoppable pawns and build up their attributes to beat down the strongest of bosses!
Chain together abilities to unleash awesome combos, take endless turns, and deal massive damage... anything is possible!
Team up pawns to unlock incredible synergies and clear whole battlefields in a single shot!

Build an Unbeatable Deck

Combine cards and Relics to build an unstoppable deck.
- With 200+ cards, create lethal combinations that are unique to you!
- Explore unique effect combos with 40+ equippable Relics.
- Clear runs to unlock 9 different heroes with unique abilities.
Tons of random events make each run a new adventure.

Rise to the Challenge in Multiple Game Modes

Endless Adventures: With fixed and random boss fights and daily challenges, you'll find new thrills in every run!
Scaling Difficulty: Prove yourself in 10+ difficulty levels and emerge stronger than ever.
Mastery Mode: Are you a true master of the cosmos? Put your perfectly crafted deck to the test in this high-pressure game mode.

Share Pawns and Matches With One Click

Doll Code System: Share your beloved pawns with the world and let them marvel at your strength!

How much does Cubic Cosmos for PC cost right now?

Cubic Cosmos for PC starts at €6.12 at Kinguin, a Steam key, which is 52% under the €12.79 it costs on the official store.

That €6.12 already includes the SEPGOC10 coupon, so apply it at checkout or the store will show you a higher price.

There is a cheaper listing, €5.85 at Eneba, but it is a Europe key and it will not redeem on a US account however good the price looks.

Only 4 offers across 4 stores carry it, and thin supply means the price barely moves.

Is it worth buying the Steam Key for Cubic Cosmos now or waiting?

That €5.85 key is expensive for what it usually costs.

Those €5.85 are 35% above what it usually costs, measured on the store price.
Only 4 stores sell the Steam Key, and with that little competition the price barely moves.
Across the 329 days we have tracked it, it has only been pricier than today on 95 days. The lowest it has ever cost is €2.00.

If you do not need it today, waiting pays off: we have seen it at €2.00 and right now you would pay €4.50 more. We will tell you the day it drops.

Worked out from 786 daily records of the Steam Key for Cubic Cosmos across 7 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 Cubic Cosmos in US?

3 of the 4 offers work on US — the Global ones plus the ones issued for your own region.

Most common FAQs when buying Cubic Cosmos for PC in digital format:

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

As of 04/09/2026, in United States, the best price we have found in our selection of online stores that include the key for Cubic Cosmos on PC is €5.85.

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 Cubic Cosmos 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 Cubic Cosmos, 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 48 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 48 verified stores where we find the best deals for gamers
24/7 support to help you with any issues in your purchases
We track prices every 2 hours and sort by final cost - Last update: 2026-09-04 06:09:51