Alien Attack: Galaxy Shooting & Defense

外来攻击是史密斯先生的风格，街机射击游戏，滚动射击游戏。

If you like old school space invader styles games like galaga, galaxian, asteroids, galactic attack, alien swarm, alien wars and of course space invaders, chicken invaders then try our new game: Alien Attack - Galaxy Shooting & Defense.

Alien Attack is a Shoot'em up style arcade shooter game.

HOW TO PLAY:

* Touch screen to move and kill all enemies.

* Collect gems to upgrade HP and Attack.

GAME FEATURES:

- The achievement/leaderboard system.

- Upgraded weapon system, HP.

- Very many and strong Boss.

Enjoy classic Galaxy combat - powered up.