PCat Difmark Digital Keys
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You save 24,37 € vs Steam (27,99 €)
Check the best deal for each version or open its page to see them all.
Final prices with fees
Payment fees included. This page sums up the best price on each platform; each product page has the full comparison of stores, formats and regions.
Grey Goo costs today from 3,62 € on PC. Its lowest recorded price on PC was 2,11 € excl. fees (March 2026). We monitor 44 verified stores and have tracked its price for 9 years.
Prices include the GoCDKeys coupon where one applies and the store payment fee. The final price is confirmed on each platform page.Prices include the GoCDKeys coupon where one applies and exclude store payment fees. The final price is confirmed on each platform page.
See how the price of Grey Goo has moved on PC and compare today's price with its lowest recorded price before you buy.
Grey Goo has ranged between 2,18 € and 4,84 € excl. fees over the last 6 months, hitting its lowest point in May 2026. Grey Goo has not dropped below 2,69 € in 4 months (excl. fees).
Last 6 months · the hollow circle marks each platform’s lowest price.
The lowest price we’ve recorded for Grey Goo is 2,11 € on PC (Kinguin, March 2026).
Explore the price history →We have tracked Grey Goo since May 18, 2017 among the 44 verified stores we monitor, reading prices every 2 hours. Prices shown are activation-code format unless stated otherwise; out-of-stock offers and outlier listings are excluded. Today 10 of them have Grey Goo deals.
| Platform | May | Jun | Jul | Aug | Sep | Oct |
|---|---|---|---|---|---|---|
| PC | 2,18 € | 2,62 € | 2,99 € | 3,20 € | 2,80 € | 2,77 € |
See how many people are playing Grey Goo right now and what players and critics think of it.
Mixed
2,606 reviews · 69% positive
Steam only, not all platforms
Critics rating
OpenCritic · 28 reviews
Concurrent players are Steam players only, not the total across every platform. Each rating shows its source.
PC is the only platform with an offer today, at 3,62 €.
| Platform | Current price | Lowest it has ever been (excl. fees) | What it usually costs (excl. fees) | Verdict | Offers |
|---|---|---|---|---|---|
| PC | Default format: 3,62 € With accounts: 3,62 € Steam Key format price | Default format: 2,11 € With accounts: 2,11 € | Default format: 3,63 € With accounts: 3,59 € | Default format: Usual price With accounts: Usual price | Steam Key (18) → |
Today only PC has a price in this format: 3,62 €.
On PC the price is at its usual level and the next Steam sale starts on October 26, 2026: that is the date to watch.
On PC, Grey Goo costs 3,62 € against the 27,99 € charged by Steam: 87% less.
| Platform | Official store | Official price | Best price here | Saving |
|---|---|---|---|---|
| PC | Steam | 27,99 € | 3,62 € | −24,37 € −87% |
The biggest saving is on PC: 24,37 € less than at Steam.
Grey Goo has dropped in 1 of the last 3 sale events we have tracked. Its best event price was 2,77 € excl. fees during the Steam Autumn Sale 2026.
| Event | Date | Platform | Lowest price (excl. fees) | vs usual price |
|---|---|---|---|---|
| the Steam Autumn Sale | Oct 2026 | PC | 2,77 € | −21% |
Next event: the Steam Halloween Sale, from October 26, 2026.
Grey Goo has 3 editions on sale; the cheapest right now is Standard, from 3,62 €.
Lowest price of each edition by platform.
| Edition | PC |
|---|---|
| Standard | 3,62 € |
| Special | 3,71 € |
| Definitive | 3,75 € |
Grey Goo is sold today in 3 different editions, and the Definitive is the only one available on every platform.
The most common questions about Grey Goo’s price, answered with today’s data.
Grey Goo costs today from 3,62 € on PC. Compared among the 44 verified stores we monitor, updated every 2 hours.
On PC: 3,62 €, the only platform with an offer right now.
Its lowest price so far was 2,11 € excl. fees on PC (March 2026). The next Steam sale starts on October 26, 2026: if you can wait, it pays off. Set an alert and we will tell you when it drops.
No: it is at its usual price on every platform. Set an alert for the next drop.
The stores we compare source their codes in different markets and compete with each other, so their prices drop sooner and further than those on Steam. The code is the same and activates the same way in your account.
2,11 € excl. fees on PC, at Kinguin (March 2026). Today it sits 1 € above that low, comparing prices excl. fees.
It depends. In the last sale event it dropped to 2,77 €, 23% below its price today. The next one starts on October 26, 2026.
We have no record of it dropping on a previous Black Friday. This year it falls on November 27, 2026: set an alert and we will tell you if it drops.
We track the price of these 5 games similar to Grey Goo, with today’s lowest.
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