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Test your skills in this immersive VR space opera by Star 1 Studio. Utilize lightning sabers to strike down hordes of bionic extraterrestrials. Fight your way to the heart of the planet to defeat Attackian Leader RahKah. Unlock 10 missions, 10 alien landscapes, 8 saber colors, and a secret weapon.
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
Official stores with direct support.
Welcome to MASS, the Mega Asteroid Suppression Service, Agent. Your job is to protect this space station with your lightning sabers against Asteroids and Aliens. Are you ready?
Test Your Skills!
- 10 missions with increasing difficulty, can you complete them all?
- 1V1 mode against an elite alien drone.
- Use the local leader-board to compete with friends and family.
Earn Goudas And Unlock Items!
- Unlock cosmetic upgrades for your sabers.
- Discover new alien landscapes and add them to your collection.
- Uncover a secret weapon befitting an elite MASS agent.
Immersive VR Environments!
- 3d sound to help you pinpoint the location of enemies.
- Unique alien landscapes with custom music.
and More!
- Play in endless mode, adjust the angle and speed to fit your skill level.
- Fight your way to the top of the global leader-board.
- Animated credits scene featuring a dance battle between the Attackians and MASS.
- Access the Alien Dex to examine the Attackians up close.
Good Luck, Agent.
Right now the cheapest offer for Asteroids and Aliens is CA$11.99 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 Asteroids and Aliens is CA$8.39 (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 Asteroids and Aliens 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.
