Invaders — cheap CD keys, compare prices
Is it worth buying?
- 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
Invaders puts you in charge of defending humanity from an alien invasion, using deck-building and decision-making to push through each stage. Success depends on chasing high scores while growing your abilities, refining your deck, and taking down a range of champions. The Early Access indie title was both developed and published by Adrien in 2023.
Best price today
€2.99
all-time low: official €2.99 · keyshop €24.99 near low
The cheapest Invaders key right now costs €2.99 at Steam — the best of 2 compared offers. The lowest price we have recorded for this game: €2.99.
The average low over the past 4 months was €2.99.
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.
Invaders prices by store 2
| Store | Type | Price |
|---|---|---|
| Steam | Official store | €2.99 |
| Kinguin | Marketplace | €24.99 |
Lowest — official stores
€2.99
Jul 2026
Lowest — keyshops
€24.99
Jul 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €2.99 | €24.99 |
| Sept 2026 | €2.99 | €24.99 |
| Aug 2026 | €2.99 | €24.99 |
| Jul 2026 | €2.99 | €24.99 |
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: €2.99
System requirements
| Minimum | |
|---|---|
| OS | 21H2 |
| Processor | Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz 3.20 GHz |
| Memory | 64 GB RAM |
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About this game — FAQ
Can Invaders be played single-player?
Yes, Invaders is a single-player game.
What languages does Invaders support?
Invaders is available in: English.
FAQ
Where is the cheapest place to buy a Invaders key?
The cheapest Invaders key is currently sold by Steam for €2.99. That is the best of 2 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €2.99.
How much does Invaders cost?
Invaders currently costs from €2.99 — 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.