Gemini — cheap CD keys, compare prices
Is it worth buying?
- Reviews are solid. (Steam 84%)
- The price is at or near its all-time low — a good time to buy.
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
Gemini puts players in charge of tower defense combat, with the central objective being to keep a crystal safe while surviving wave after wave of enemies. Three studios - Gagonfe, Ulon, and Rhowsl - worked on the project, with Gagonfe also serving as publisher when the game launched in 2020.
Best price today
€1.31
all-time low: official €1.31 · keyshop €3.80 near low
The cheapest Gemini key right now costs €1.31 at Steam — the best of 2 compared offers. The lowest price we have recorded for this game: €1.31.
The average low over the past 4 months was €1.31.
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.
Gemini prices by store 2
| Store | Type | Price |
|---|---|---|
| Steam | Official store | €1.31 |
| Kinguin | Marketplace | €3.80 |
Lowest — official stores
€1.31
Jul 2026
Lowest — keyshops
€3.80
Aug 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €1.31 | €3.80 |
| Sept 2026 | €1.31 | €3.80 |
| Aug 2026 | €1.31 | €3.80 |
| Jul 2026 | €1.31 | €3.96 |
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
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All-time low so far: €1.31
System requirements
| Minimum | |
|---|---|
| OS | Windows 7 |
| Processor | Intel Celeron @2.80Ghz |
| Memory | 2000 MB RAM |
| Graphics | Integrated GPU, 128mb |
| Storage | 100 MB available space |
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About this game — FAQ
Can Gemini be played single-player?
Yes, Gemini is a single-player game.
Does Gemini support a controller/gamepad?
Yes, Gemini has full controller support.
What languages does Gemini support?
Gemini is available in: English, Spanish - Spain, Portuguese - Brazil.
FAQ
Where is the cheapest place to buy a Gemini key?
The cheapest Gemini key is currently sold by Steam for €1.31. That is the best of 2 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €1.31.
How much does Gemini cost?
Gemini currently costs from €1.31 — 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.