Defense Technica — cheap CD keys, compare prices
Is it worth buying?
- Reviews are mixed. (Metacritic 63 · Steam 39%)
- 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
Defense Technica is a demanding entry in the tower-defense genre, tasking players with protecting a central core from waves of biomechanical monstrosities. Players field an assortment of defensive towers, each offering its own upgrade paths and attack styles. Kuno Interactive both developed and published the title in 2013.
Did you know?
Despite a Metacritic score of 63, it holds only 39% positive reviews on Steam, in the Mostly Negative category.
Best price today
€1.39
all-time low: official €1.39 · keyshop €2.68 near low
The cheapest Defense Technica key right now costs €1.39 at Steam — the best of 3 compared offers. The lowest price we have recorded for this game: €1.39.
The average low over the past 4 months was €1.71.
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.
Defense Technica prices by store 3
| Store | Type | Price |
|---|---|---|
| Steam | Official store | €1.39 |
| Kinguin | Marketplace | €2.68 |
| G2A | Marketplace | €4.99 |
Lowest — official stores
€1.39
Jul 2026
Lowest — keyshops
€2.68
Aug 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €1.39 | €2.68 |
| Sept 2026 | €13.99 | €2.68 |
| Aug 2026 | €1.39 | €2.68 |
| Jul 2026 | €1.39 | €3.00 |
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, G2A
Price alert Catch alert Price alert
Confirm in our Telegram bot — no account, no spam.
All-time low so far: €1.39
System requirements
| Minimum | |
|---|---|
| OS | Windows XP / Vista / 7 / 8 with latest services packs |
| Processor | Intel Core 2 Duo (2 * 2400 Mhz) or AMD equivalent |
| Memory | 2 GB RAM |
| Graphics | GeForce 7600 GS / Radeon HD 2600 (256 MB of dedicated memory) |
| Storage | 1 GB available space |
Similar games
About this game — FAQ
Can Defense Technica be played single-player?
Yes, Defense Technica is a single-player game.
Does Defense Technica support a controller/gamepad?
Yes, Defense Technica has full controller support.
What languages does Defense Technica support?
Defense Technica is available in: English, French, Spanish - Spain, Japanese, Korean.
FAQ
Where is the cheapest place to buy a Defense Technica key?
The cheapest Defense Technica key is currently sold by Steam for €1.39. That is the best of 3 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €1.39.
How much does Defense Technica cost?
Defense Technica currently costs from €1.39 — 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.