Marvellous Inc. — cheap CD keys, compare prices
Is it worth buying?
- The price is well above its low (was €5.51) — worth waiting for a drop or setting an alert. Notify me on a drop →
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
Marvellous Inc. is a puzzle game built around programming, tasking players with writing code that directs robots to complete objectives. Marvellous Soft both developed and published the game in 2018.
Best price today
€12.25
all-time low: official €5.51 · keyshop €49.39 (+122%)
The cheapest Marvellous Inc. key right now costs €12.25 at Steam. The lowest price we have recorded for this game: €5.51.
The average low over the past 4 months was €8.98.
Prices as of
Steam best price Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Lowest — official stores
€5.51
Sept 2026
Lowest — keyshops
€49.39
Jul 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €12.25 | €172.61 |
| Sept 2026 | €5.51 | €80.61 |
| Aug 2026 | €12.25 | €49.39 |
| Jul 2026 | €5.89 | €49.39 |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Steam
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All-time low so far: €5.51
System requirements
| Minimum | |
|---|---|
| OS | Windows XP or newer |
| Processor | 2ghz Single Core CPU or better |
| Memory | 1 GB RAM |
| Storage | 100 MB available space |
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About this game — FAQ
Can Marvellous Inc. be played single-player?
Yes, Marvellous Inc. is a single-player game.
What languages does Marvellous Inc. support?
Marvellous Inc. is available in: English.
Does Marvellous Inc. use Steam Cloud saves?
Yes, Marvellous Inc. uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Marvellous Inc. key?
The cheapest Marvellous Inc. key is currently sold by Steam for €12.25. The lowest price we have ever recorded for this game: €5.51.
How much does Marvellous Inc. cost?
Marvellous Inc. currently costs from €12.25 — the cheapest offer across the stores we track.
Is Steam an official store or a keyshop?
Steam is an official store — keys come directly from the publisher or an authorized distributor.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.