Stack Chaos: Alien Express
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.
Offers
What are keyshops?About Stack Chaos: Alien Express
Welcome to Alien Express™ — the galaxy's worst delivery company.
You're an alien delivery driver with a tractor beam, a swinging pendulum, and exactly 5 seconds per package. Where it lands, it stays. Build the tallest tower of possessed cartoon horror objects... or watch it all come crashing down.
We drop, you pray.
The Game
Your UFO swings cargo like a pendulum. Move left, move right — the package follows with momentum and inertia. Cut the beam at the perfect moment, or the auto-drop kicks in after 5 seconds.Drop fast = more points. Drop risky = even more points. Drop wrong = total chaos.
What's Inside
- 400+ possessed objects with unique physics and personality
- 11 game modes — from classic stacking to inverted pyramids
- 36 UFO skins
- A sarcastic goblin that roasts your every move
- Global leaderboards and daily challenges
- Stream Rooms — your viewers compete against you live
- Atmospheric chaos: meteorites, storms, birds
- 12 languages, Steam Achievements, Cloud Save
Game details
Game details
Age ratings
Game modes
Languages
Audio & text: English, Spanish - Spain
Text only: French, Italian, German, Portuguese - Portugal, Russian, Simplified Chinese, Korean, Japanese, Polish, Turkish, Traditional Chinese
Stack Chaos: Alien Express price history
Lowest tracked price: $0.95 (Jul 7, 2026) · current best: $1.90.
Stack Chaos: Alien Express reviews
100% positive reviews all-time.
Stack Chaos: Alien Express — frequently asked questions
Where can I buy Stack Chaos: Alien Express at the cheapest price?
Right now the cheapest offer for Stack Chaos: Alien Express is $1.90 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Stack Chaos: Alien Express has ever been?
The lowest price KingsPrice has tracked for Stack Chaos: Alien Express is $0.95 (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.
How can I get Stack Chaos: Alien Express at a discount?
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.
System requirements
Minimum
- OS: Windows 10
- Processor: Intel Core i3 / AMD Ryzen 3 (o equivalente)
- Memory: 4 GB RAM
- Graphics: NVIDIA GTX 660 / AMD Radeon HD 7870 / Intel UHD 630
- DirectX: Version 11
- Storage: 5 GB available space
Recommended
- OS: Windows 10/11
- Processor: Intel Core i5 / AMD Ryzen 5
- Memory: 8 GB RAM
- Graphics: NVIDIA GTX 1050 / AMD RX 560 o superior
- DirectX: Version 11
- Storage: 5 GB available space
