Buy Modulus Steam Key

PC
Modulus cover
Earn up to 1,600 tickets when you buy Use them in giveaways and auctions+ level bonus

A Modulus 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 €8.10 (€8.66 with fees, -65%) at Key4Games, Steam Account format · Cheapest official key: €17.99 (€19.77 with fees), 19% below the €24.50 (no fees) Steam price · 5 verified stores, 6 offers in stock · Updated 01h 50min ago.

Top 3 stores

Verified stores

Final prices with fees

Historical prices
Medium price
Current minimum price
Payment method

Prices change depending on the selected payment method.

Fees incl. Showing final prices with feesShowing prices without fees
Prices recalculated
Promoted store
Coupon
Gocdkeys -16% copy Copied!
€9.99 €8.39 -64%Save €16 vs Steam
Store Difmark
Global Icon
Region Global
Steam Account
PromotediFeatured placement paid by the storeCheapest deal Best rated Product type Steam Account
Standard
Edition Standard
Description Icon
Fees +€0.38
No payment fees With payment fees

Final prices with fees

About Modulus

Modulus is a creative sandbox factory simulation where you don’t just solve problems, you design the components that make up the solution. 

Build and automate elegant production systems using modular engineering tools: cut, paint, stamp, and assemble 3D building blocks called modules.

From logic-driven problem solving to free-form expression, Modulus blends base-building, resource management, and thoughtful strategy in a game that rewards both beauty and efficiency. There’s no single solution, only the system you create.

Programmed by the Colony to supply bots with relentless efficiency, your purpose was clear, until a signal from deep space changes everything.

The Grand Neural Network is calling.

To connect, you must construct massive Neural Monuments: vast, intricate structures that test the limits of your engineering, logic, and scaling automation strategies. Caught between your creators and something far greater, you begin to question your programming and pursue a deeper sense of purpose… one module at a time.

No enemies. No combat. No timers.

Modulus offers a relaxing, low-pressure take on factory automation, where experimentation and optimization thrive. Build at your own pace and enjoy the quiet satisfaction of systems that simply work.

Creative Mode

For those who want to build without constraints, Creative Mode offers full access to tools, paint, expanded module sizes, and unlimited resources. There are no objectives just you and the grid. Design voxel art, test complex layouts, or invent something wild. It’s your sandbox.

Modules aren’t just resources, they’re the building blocks of your factory. Each one you craft becomes a visible part of a structure rising in real time.

The more complex the goal, the more intricate your modules must become, rewarding strategic planning, creativity, and system optimization.

Whether you’re solving intricate logistics puzzles or designing the most aesthetically pleasing factory possible, Modulus is built for creative expression. No two factories will look the same,  your solutions, like your factory, are uniquely yours.

Start Simple, Grow Smart

Begin with basic resources and learn the core systems. As your production needs scale, unlock new mechanics, tools, and challenges that deepen your understanding of logic, optimization, and modular design mastery.

How much does Modulus for PC cost right now?

Modulus for PC starts at €8.10 (€8.66 with fees) at Key4Games, 65% under the €24.50 (no fees) of the official store — but that is a shared account, not a key of your own. If you want a key tied to your own account, the cheapest is €17.99 (€19.77 with fees) at Kinguin.

That €8.10 (€8.66 with fees) already includes the GOCDKEYS16 coupon, so apply it at checkout or the store will show you a higher price.

Just 5 stores stock it, 6 offers in all, so there is little here to push the price either way.

Shared account !
€8.66
with coupon · was €10.26
Cheapest, but the game is not yours
Steam Key
€19.77
with coupon · was €21.77
Stays on your account for good

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

That €17.99 (€19.77 with fees) key is expensive for what it usually costs.

  • Those €17.99 (€19.77 with fees) are 13% 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 222 days we have tracked it, it has only been pricier than today on 12 days. The lowest it has ever cost is €14.75.
If you do not need it today, waiting pays off: we have seen it at €14.75 and right now you would pay €5.24 more. We will tell you the day it drops.

Worked out from 574 daily records of the Steam Key for Modulus across 3 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.

Are these stores safe to buy Modulus from?

One caveat worth €0.29 (€0.11 with fees): the €8.10 (€8.66 with fees) at Key4Games is the cheapest, but that store carries only 37 Trustpilot reviews, so there is barely any track record behind it. Difmark sells the same shared account for €8.39 (€8.77 with fees) — €0.29 (€0.11 with fees) more — backed by 14.2k reviews and a 4.1 out of 5, which is a small premium for a seller thousands of buyers have already tested.

Which Modulus format should you buy?

With the shared account at Key4Games you log into an account that already owns the game: it is the cheapest route, but it never becomes yours and the seller keeps the credentials. If they ever lose or change them, you lose access.

The key at Kinguin costs €9.89 (€11.11 with fees) more, but you redeem it on your own account and the game stays there for good. That is the difference between renting and buying.

Can you activate Modulus in US?

All 6 offers are Global, so the code redeems on any account no matter where it was created.


Most common FAQs when buying Modulus for PC in digital format:

It is a key that will allow you to download the game Modulus on your PC from official download platforms.
As of 13/11/2026, in United States, the best price we have found in our selection of online stores that include the key for Modulus on PC is €17.99 (€19.77 with 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 Modulus 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 Modulus, 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.

What do our users think of Modulus for PC Digital?

0/5 (0 Comments)

No comments.

To comment, at Gocdkeys.

Before commenting, verify your account from the link sent to your email.

Rate and comment: your experience matters!

You are registered as:
Rate your stars
Thank you for your comment, it will be reviewed by our team shortly.
Share your thoughts about this game

Minimum 50 characters. Tell us something useful about the game: filler comments aren’t approved and don’t earn tickets.

50 more characters to go 0/50

To win the tickets, your email in Gocdkeys must match your email in Discord.

For the Telegram tickets, open our bot @Gocdkeys_offers_bot, tap "Start" and send it the email of your Gocdkeys account in a private message (if you signed up with Steam, add a real email to your profile first).

Your review must be original. We check it by hand within 24 hours, and the tickets are only added if we approve it. Only one review per game counts, up to 2 a day.

Win free games with your tickets →