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Buy Sleep Attack Steam Key

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

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Sleep Attack Steam Key: compare prices from 6 offers (August 2026)

A Sleep Attack 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 €1.79 (-74%) at Kinguin, 74% below the €6.99 Steam price · 6 verified stores, 6 offers in stock · Updated 02h 04min ago.

Gift cards

Cheapest

€2.04 €1.69 -76% Save €5 vs Steam View deal

SEAL17CDK

-17%

Copied!

Steam Key

Official store

€6.99 View deal

No code available

See 7 keys from €1.69

Historical prices

Medium price

Current minimum price

Sleep Attack 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 2 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!

€3.86 €3.24

Store Difmark Digital Keys

Region Global

Product type Steam Key

Edition Standard

Fees +€0.27

Gameseal
Kinguin
Eneba
G2A

Gameseal 4.3 (16.3k)

Subscription from 2.49€/month

€2.04 €1.69

Product type Steam Key

Edition Standard

Fees +€0.22

Kinguin 4.6 (120.4k)

Subscription from 2.99€/month

€1.99 €1.79 How to get this priceHow to get

Store Kinguin

Region Global

Product type Steam Key

Eneba 4.4 (312.9k)

€2.11 €1.90 How to get this priceHow to get

Store Eneba

Region Europe

Product type Steam Key

Edition Standard

Fees +€0.16

G2A 4.0 (346.2k)

No code available

€3.37 How to get this priceHow to get

Store G2A

Region Global

Product type Steam Key

Edition Standard

Fees +€0.01

Official stores

Greenmangaming
Steam

Greenmangaming 4.7 (43.9k)

No code available

€6.99

Store Greenmangaming

Region Global

Product type Steam Key

Steam 1.8 (3.7k)

Product type Steam Key

Edition Standard

Fees -

About Sleep Attack

Enjoy an amazing new TWIST in Tower Defense! You control the layout of the battlefield, and you decide the paths your enemies follow! Build and place powerful turrets to attack invading enemies. Then rotate the battlefield to force foes down your preferred path of destruction. Be careful though, there are always multiple routes to control!

Combine tactical planning with strategic tower upgrades to slow, divert and damage your enemies. Carefully choose the placement and upgrade levels of your towers, as each turret possesses unique strengths and weaknesses. Simply swipe to change the routes your enemies take, allowing each tower to cause maximum carnage!

Features

Control the terrain - twist and turn enemies route while your towers destroy them!
Nine tower types to construct and upgrade, each with their own strengths and weaknesses.
17 gruesome enemies with different abilities, ranging from the speedy Boardog to the gargantuan Ghost.
Six unique and beautifully designed dream worlds containing many epic levels to conquer.
Discover massive boss enemies, each with their own fearsome attacks and abilities.
Cast formidable spells to avoid defeat when the going gets really tough!
Beautiful dreamlike graphics take you on a vividly imagined journey.
Improved visuals and gameplay changes for the PC version!

How much does Sleep Attack for PC cost right now?

Sleep Attack for PC starts at €1.79 at Kinguin, a Steam key, which is 74% under the €6.99 it costs on the official store.

That €1.79 already includes the AUGGOC10 coupon, so apply it at checkout or the store will show you a higher price.

There is a cheaper listing, €1.69 at Gameseal, but it is out of stock and issued for Europe on top of that. The cheapest you can buy for US is €1.79 at Kinguin.

Only 6 offers across 6 stores carry it, and thin supply means the price barely moves.

That puts it 11% under its average of €2.00 since 2017, so today is a better entry point than most days of its life.

Is it worth buying the Steam Key for Sleep Attack now or waiting?

That €1.79 key is expensive for what it usually costs.

Those €1.79 are 79% above what it usually costs, measured on the store price.
Only 6 stores sell the Steam Key, and with that little competition the price barely moves.
Across the 2,080 days we have tracked it, it has only been pricier than today on 0 days. The lowest it has ever cost is €1.05.

If you do not need it today, waiting pays off: we have seen it at €1.05 and right now you would pay €0.94 more. We will tell you the day it drops.

Worked out from 2,970 daily records of the Steam Key for Sleep Attack across 14 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 Sleep Attack in US?

5 of the 6 offers work on US — the Global ones plus the ones issued for your own region.

Sleep Attack cd key is a digital code for PC, downloadable from the official games platform Steam, so after purchase it, you must add in your Steam account the cd key of Sleep Attack that you will receive in your mail. Sleep Attack gives a surprising breath of fresh air to the Tower Defense genre. We will control the design of the battlefield and decide the ways that the enemies should follow. Depending on the terrain changes we make, we can deploy a type of turrets or another in order to curb the relentless enemy troops. Tactical planning combined with strategic upgrades of towers to stop, divert and damage to the enemy hordes. Choose the location carefully and constantly evolving turrets for more firepower, and each turret has unique strengths and weaknesses. Remember that you can share the following comparison of prices through social networks to win red tickets that will help increase your chances of winning in our sweepstakes.

Most common FAQs when buying Sleep Attack for PC in digital format:

It is a key that will allow you to download the game Sleep Attack 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 Sleep Attack on PC is €1.79.

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 Sleep Attack 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 Sleep Attack , 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
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: 2026-08-24 00:03:14

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Sleep Attack

Is it worth it?

Mostly Positive 37 reviews on Steam

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