A or Left Arrow Key = Move Left D or Right Arrow Key = Move Right Space = Shoot Health is displayed at top right Dodge enemy fire while trying to destroy as many enemies as possible. The farther you get, the harder and more points you will get.
The enemy spaceships are from SmileyMensch at: https://opengameart.org/content/spaceship-set-4-pixel-art-space-ships This art is licensed under a GNU General Public Licence GPL 3.0 (reuse allowed) Asteroid is from FunWithPixels at: https://opengameart.org/content/a-layered-asteroid-rock This art is licensed under Creative Commons BY-3.0 and Creative Commons BY-2.0 (reused allowed) Powerup is from Clint Bellanger at: https://opengameart.org/content/gem-icons This art is licensed under Player Spaceship is from: http://pixelartmaker.com/art/2b3927995ea2c92 Music track is from: https://soundcloud.com/bxdn/biorhythm "Biorhythm" by BXDN is licensed under a Creative Commons Attribution licence (reuse allowed) (Attribution 3.0 Unported (CC BY)). Explosion Sound and Laser sound are from tommccann and bubaproducer at: https://freesound.org/people/bubaproducer/sounds/151022/ Explosion_01.wav and Laser Shot Silenced are licensed under Creative Commons 0 and Attribution license (reuse allowed) The Galaxy invasion and Game Over titles are composed of scratch's stock sprites.