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Astero

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About Astero

Astero is a survival game where you collect power-ups, dodge threats and shoot asteroids and alien objects. You progress through increasingly difficult levels, collect points, play bonus levels and fight bosses.

Threats and levels

Enemies include asteroids, many kinds of alien objects and UFOs. The game has 20 levels, which become more difficult as you progress.

Power-ups

You can encounter four power-up items:

  • Shield: protects you. Each hit affects how long it lasts, and it disappears over time even if you are not hit.
  • Life: restores a small percentage of your life.
  • Fire Power 2: gives you one extra projectile for a while.
  • Fire Power 3: gives you two extra projectiles for a while.

Frequently asked questions

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

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