Tetragon — cheap CD keys, compare prices
Is it worth buying?
- The price is above its low (was €1.74), but within a reasonable range. Notify me on a drop →
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
Tetragon presents a sprawling, enigmatic realm of puzzles and enchanted labyrinths built around shifting planes of reality through a rotating world's gravity. Players guide a lumberjack searching for his missing son through these scattered realms. Cafundo Estudio Criativo Eireli developed the game, ESDigital Games published it, and it released in 2021.
Best price today
€2.49
all-time low: official €2.49 · keyshop €1.74 (+43%)
The cheapest Tetragon key right now costs €2.49 at Steam — the best of 9 compared offers. The lowest price we have recorded for this game: €1.74.
The average low over the past 4 months was €1.92.
↳ chosen by the region label on the key — not a guarantee
Prices as of
Steam best price Official store
G2A Marketplace
GameSeal Marketplace
Epic Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Tetragon prices by store 8
| Store | Type | Price |
|---|---|---|
| Steam | Official store | €2.49 |
| Kinguin | Marketplace | €2.81 |
| K4G | Marketplace | €3.08 |
| G2A | Marketplace | €3.34 |
| Instant Gaming | Marketplace | €3.59 |
| Driffle | Marketplace | €7.60 |
| GameSeal | Marketplace | €8.95 |
| Epic | Official store | €14.99 |
Lowest — official stores
€2.49
Jul 2026
Lowest — keyshops
€1.74
Jul 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €2.49 | €2.15 |
| Sept 2026 | €2.49 | €2.03 |
| Aug 2026 | €2.49 | €1.74 |
| Jul 2026 | €2.49 | €1.74 |
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, Kinguin, K4G, G2A, Instant Gaming, Driffle, GameSeal
- Epic key — open Epic Games Launcher → profile (top right) → Redeem Code → enter the key. Stores with this activation: Epic
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All-time low so far: €1.74
System requirements
| Minimum | |
|---|---|
| OS | Windows 7 / 8 / 8.1 / 10 |
| Processor | 2.5 GHz (Single Core) or 2 GHz (Dual Core) |
| Memory | 2 GB RAM |
| Graphics | DirectX 9.0 compatible |
| DirectX | Version 9.0 |
| Storage | 710 MB available space |
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About this game — FAQ
Can Tetragon be played single-player?
Yes, Tetragon is a single-player game.
What languages does Tetragon support?
Tetragon is available in: English, French, Italian, German, Spanish - Spain, Traditional Chinese, Russian, Japanese and 1 more.
FAQ
Where is the cheapest place to buy a Tetragon key?
The cheapest Tetragon key is currently sold by Steam for €2.49. That is the best of 9 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €1.74.
How much does Tetragon cost?
Tetragon currently costs from €2.49 — 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.