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A Cyclopean The Great Abyss 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 €9.75 (no fees) at Steam · 1 verified stores, 1 offers in stock · Updated 01h 58min ago.

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Instant Gaming 4.7 (843.1k)
Steam Card Europe Europe · Steam Wallet credit to buy it on Steam Steam 10 €
€9.79
Steam Card Europe Europe · Steam Wallet credit to buy it on Steam Steam 10 €
€10.51
Steam Card ×2 Europe Europe · Steam Wallet credit to buy it on Steam Steam 5 € + Steam 5 €
€10.70
No code available
€9.75
Store Steam
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Region Global
Steam Key
Product type Steam Key
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About Cyclopean The Great Abyss

Trapped in the Great Abyss!

You are an old dreamer who,through unforeseen circumstances, has found himself trapped in the Great Abyss, the vast underworld beneath the Dreamlands.  Use the resources at your disposal, weapons, armor, supplies, and any alliances you have with the locals, to explore and learn the secrets of the underworld, in order to make your way back to the upper Dreamlands, or back to the Waking World. 

A Variety of Strategies

Although combat plays a big role in the game, it is not the only means of achieving one's goals.  Players may opt to use a combination of combat, stealth and/or dialogue to deal with the other inhabitants of the nether realms.   Manage your gold, health and sanity as you traverse the Great Abyss.

Old School CRPG

Cyclopean follows the tradition of early CRPGs like Ultima, Questron, and Legacy of the Ancients (among others) in that it presents two differing views of the game world.  Outside of dungeons, you see your character from the top down in a 2D display of the map.  Whereas, in dungeons, the view changes to a 3D, first person perspective. 

Choose Your Dreamer Carefully

When you start the game you will be presented with a random dreamer, with basic abilities and equipment, and any alliances they have.  You can choose to play as that person, or "reroll" to see if you can find a better option.  Cyclopean gives you the freedom to choose from a wide variety of stodgy sounding English upper class gentlemen to play as.

Turn Based Gameplay

The gameplay and combat is all turn based, allowing you to make strategic decisions. Enemies are dangerous, but polite, and will wait their turn.

Alliances

Some characters will start the game with an alliance in place.  This can be very helpful in the early stages, especially for new players.  Alliances allow you to have some of the various denizens of the Great Abyss join your party, and help to fight other enemies.  New alliances can be formed during the game by finding and reading the right books.

Game Manual

There are many other game mechanics and other things that are described in the game manual.  The manual has been fully integrated with the game, so you can bring it up at any time, to learn about the various game mechanics available. 

Use the options menu to change game settings including the color...

How much does Cyclopean The Great Abyss for PC cost right now?

Cyclopean The Great Abyss for PC starts at €9.75 (no fees) at Steam, a Steam key.

There is a single verified offer for it right now, so this price is the market rather than the best of several.

Is it worth buying the Steam Key for Cyclopean The Great Abyss now or waiting?

That €9.75 (no fees) key is expensive for what it usually costs.

  • Those €9.75 (no fees) are 11% above what it usually costs, measured on the store price.
  • Only 1 stores sell the Steam Key, and with that little competition the price barely moves.
  • Across the 441 days we have tracked it, it has only been pricier than today on 0 days. The lowest it has ever cost is €4.87.
If you do not need it today, waiting pays off: we have seen it at €4.87 and right now you would pay €4.88 more. We will tell you the day it drops.

Worked out from 476 daily records of the Steam Key for Cyclopean The Great Abyss across 2 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 Cyclopean The Great Abyss in US?

All 1 offers are Global, so the code redeems on any account no matter where it was created.

Information about Cyclopean: The Great Abyss for PC


In Cyclopean: The Great Abyss, players take on the role of a dreamer trapped deep within the Great Abyss, a sprawling underworld beneath the Dreamlands. Your goal is to find a way to return to the surface or the waking world, exploring this mysterious place and facing its challenges with resources such as weapons, armor, and alliances with the denizens of the abyss. The adventure allows obstacles to be approached through combat, stealth, or dialogue, offering multiple ways to achieve objectives.

The game draws inspiration from classic CRPGs such as Ultima and Legacy of the Ancients, with a mix of perspectives. Outside of dungeons, the map is presented in a 2D top-down view, while inside dungeons the action is shown in first-person with 3D graphics. When you start the game, a random dreamer is assigned with basic skills and possible starting alliances, but you can try again to find a character that better suits your playstyle.

Combat and decision-making are turn-based, allowing for careful strategy. Enemies respect this rhythm, waiting their turn, and the system encourages planning with every move. Alliances play a crucial role, as you can enlist the help of the denizens of the abyss to form a group to support you in battles. Additionally, new alliances can be created by searching for information in ancient books.

The fully integrated game manual is available at any time to explain the many mechanics and settings, making it easy to customize the experience. It also details tools and options to adjust visual and technical aspects of the game to the player's preferences.

Most common FAQs when buying Cyclopean The Great Abyss for PC in digital format:

It is a key that will allow you to download the game Cyclopean The Great Abyss on your PC from official download platforms.
As of 03/11/2026, in United States, the best price we have found in our selection of online stores that include the key for Cyclopean The Great Abyss on PC is €9.75 (no fees).
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 Cyclopean The Great Abyss 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 Cyclopean The Great Abyss, 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.

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