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A physics-based arcade game where you pilot a UFO dropping possessed horror objects to build impossible towers. Swing the pendulum, time the drop, pray it doesn't collapse. 400+ objects, 11 game modes, and a sarcastic goblin that roasts your every move.
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 starts Jul 20, 2026
Lowest tracked price: £0.85 (Jul 7, 2026) · current best: £1.71.
100% positive reviews all-time.
Right now the cheapest offer for Stack Chaos: Alien Express is £1.71 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 Stack Chaos: Alien Express is £0.85 (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.
Create a free price alert on this page and KingsPrice will email you when Stack Chaos: Alien Express 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.
Audio & text: English, Spanish - Spain
Text only: French, Italian, German, Portuguese - Portugal, Russian, Simplified Chinese, Korean, Japanese, Polish, Turkish, Traditional Chinese
