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Welcome to The Trigger, the fifth add-on content pack for Alien: Isolation. Can you make Sevastopol safe? You’ve been given a box of explosives and the locations to set them. All you need to do now is pull the trigger… and stay alive. If you own Alien: Isolation Season Pass, DO NOT purchase this content here as you will be charged again.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
This is the base game required to play this DLC. Other expansions may also be required.
Lowest tracked price: £1.84 (Jul 9, 2026) · current best: £1.84 across 5 stores.
67% positive reviews all-time.
Right now the cheapest offer for Alien: Isolation - The Trigger is £1.84 at Gamivo. KingsPrice compares 5 offers from 5 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Alien: Isolation - The Trigger is £1.84 (recorded on Jul 9, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle. Keyshop prices vs Steam →
Create a free price alert on this page and KingsPrice will email you when Alien: Isolation - The Trigger 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.
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