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Command the sky in a tense real-time strategy simulation where you manage a nation's air defenses. Analyze radar contacts, scramble interceptor jets, and make split-second decisions to protect your airspace from hostile threats.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest ends
TAKE COMMAND OF THE NATION'S AIR DEFENSE
The sky is your battlefield. A hostile contact appears on radar. Is it a civilian airliner off course, or the prelude to a full-scale attack? Your job is to find out.
Air Defender is a high-stakes, real-time strategy simulation that puts you in the command chair of a national Air Defence network. From a top-down strategic view, you are the unseen hand responsible for detecting, identifying, and intercepting airborne threats. This is not a dogfighting game; you are not a pilot. You are the commander with access to the capabilities of multiple roles in the bunker, and the fate of the nation rests on your split-second decisions.
Analyse radar returns, scramble your Quick Reaction Alert (QRA) fighters, and manage your assets to protect your airspace. Every choice matters, and the consequences of failure are devastating.
High-Fidelity Command & Control: Take on the role of an Air Defense Commander. Manage a detailed radar network, interpret IFF (Identification Friend or Foe) data, and issue commands to your forces.
Scramble QRA Interceptors: Launch your fighter aircraft to investigate, shadow, or engage hostile contacts. Manage their fuel, weapons, and mission objectives in real-time.
Deep Information Warfare: Utilise authentic-inspired systems to build a complete picture of the battlespace. Monitor flight plans, analyse electronic warfare (EW) intelligence, and stay one step ahead of the enemy.
Intelligent Enemy AI: Face a dynamic adversary that will probe your defenses, launch coordinated attacks, and adapt to your strategy, creating a challenging and replayable experience.
Play Endless or complete Training Missions to become Combat Ready. In Endless, you will be challenged to spot the bad guys, ensure they don't sneak through, if you do, it could lead to all out war.
Welcome to the command center. The watch is yours.
Lowest tracked price: €13.85 (Jul 7, 2026) · current best: €17.32.
71% positive reviews in the last 30 days (79% all-time) · 31 peak players in the last 30 days.
Right now the cheapest offer for Air Defender is €17.32 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Air Defender is €13.85 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Air Defender peaked at 31 concurrent players on Steam in the last 30 days (highest on Jul 8, 2026). The player chart on this page updates daily.
Create a free price alert on this page and KingsPrice will email you when Air Defender drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
